老师,第一屏滚动没有效果是怎么回事?麻烦老师帮忙看一下是哪里打错了
代码顺序依次为:HTML、index.js、test.js、animate.css、index.css,老师我第一屏没有效果,再顺便帮忙看一下注释有没有错误
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | <!DOCTYPE html> < html > < head > < title >个人网页</ title > < link rel = "stylesheet" type = "text/css" href = "css/base.css" > < link rel = "stylesheet" type = "text/css" href = "css/index.css" > < link rel = "stylesheet" type = "text/css" href = "css/animate.css" > </ head > < body > <!-- 头部 --> < header class = "header" > < div class = "header__wrap" > < div class = "header__logo" >慕课手机</ div > < nav class = "header__nav" > <!-- 点击不会有触发 --> < a href = "javascript:;" class = "header__nav-item header__nav-item_status_active" >首页</ a > < a href = "javascript:;" class = "header__nav-item" >外观</ a > < a href = "javascript:;" class = "header__nav-item" >配置</ a > < a href = "javascript:;" class = "header__nav-item" >型号</ a > < a href = "javascript:;" class = "header__nav-item" >说明</ a > < a href = "javascript:;" class = "header__nav-item header__nav-item_custom_button" >立即购买</ a > </ nav > </ div > </ header > <!-- 第一屏 --> < div class = "screen-1" > <!-- 文字 --> < h2 class = "screen-1__heading" >< b >慕课手机</ b >让你的生活更精彩</ h2 > <!-- 手机 --> < div class = "screen-1__phone" ></ div > <!-- 阴影 --> < div class = "screen-1__shadow" ></ div > </ div > <!-- 第二屏 --> < div class = "screen-2" > <!-- 文字 --> < h2 class = "screen-2__heading" >优美的设计,更令人着迷</ h2 > < h3 class = "screen-2__subheading" >采用最受欢迎的设计,让它更加出色。< br />款式小巧、轻便手感更舒适。绚丽高清的显示屏,整个外观显得格外精致。</ h3 > <!-- 手机 --> < div class = "screen-2__phone" > < div class = "screen-2__point screen-2__point_i_1" >高清摄像</ div > < div class = "screen-2__point screen-2__point_custom_right screen-2__point_i_2" >超薄机身</ div > < div class = "screen-2__point screen-2__point_custom_right screen-2__point_i_3" >大屏显示</ div > </ div > </ div > <!-- 第三屏 --> < div class = "screen-3" > < div class = "screen-3__wrap" > <!-- 文字 --> < h2 class = "screen-3__heading" >外形小巧,功能强大的手机</ h2 > < h3 class = "screen-3__subheading" >采用最受欢迎的设计,让它更加出色。< br />款式小巧、轻便手感更舒适。绚丽高清的显示屏,整个外观显得格外精致。</ h3 > <!-- 手机 --> < div class = "screen-3__phone" ></ div > < div class = "screen-3__features" > < div class = "screen-3__features__item" > < div class = "screen-3__features__item__number" >5.7</ div > < div class = "screen-3__features__item__desc" >英寸大屏</ div > </ div > < div class = "screen-3__features__item" > < div class = "screen-3__features__item__number" >1200</ div > < div class = "screen-3__features__item__desc" >万像素</ div > </ div > < div class = "screen-3__features__item" > < div class = "screen-3__features__item__number" >3D</ div > < div class = "screen-3__features__item__desc" >touch</ div > </ div > < div class = "screen-3__features__item" > < div class = "screen-3__features__item__number" >A9</ div > < div class = "screen-3__features__item__desc" >处理器</ div > </ div > </ div > </ div > </ div > <!-- 第四屏 --> < div class = "screen-4" > < div class = "screen-4__wrap" > <!-- 文字 --> < h2 class = "screen-4__heading" >丰富的手机型号</ h2 > < h3 class = "screen-4__subheading" >找到适合你的手机</ h3 > < div class = "screen-4__type" > < div class = "screen-4__type__item screen-4__type__item_i_1" > < div class = "screen-4__type__item__color" >慕课红</ div > < div class = "screen-4__type__item__storage" >16G/32G/64G</ div > </ div > < div class = "screen-4__type__item screen-4__type__item_i_2" > < div class = "screen-4__type__item__color" >土豪金</ div > < div class = "screen-4__type__item__storage" >16G/32G/64G</ div > </ div > < div class = "screen-4__type__item screen-4__type__item_i_3" > < div class = "screen-4__type__item__color" >太空灰</ div > < div class = "screen-4__type__item__storage" >16G/32G/64G</ div > </ div > < div class = "screen-4__type__item screen-4__type__item_i_4" > < div class = "screen-4__type__item__color" >绅士黑</ div > < div class = "screen-4__type__item__storage" >16G/32G/64G</ div > </ div > </ div > </ div > </ div > <!-- 第五屏 --> < div class = "screen-5" > <!-- 文字 --> < h2 class = "screen-5__heading" >游戏、学习、拍照、有这一部就够了</ h2 > < h3 class = "screen-5__subheading" >看视频、拍摄高清视频与照片、视频聊天、一机多功能,让您的生活更丰富精彩</ h3 > < div class = "screen-5__bg" ></ div > </ div > < div class = "screen-buy" > < a class = "screen-buy__button" href = "javascript:;" >立即购买</ a > </ div > <!-- 底部 --> < footer class = "footer" > © 2016 imooc.com 京ICP备13046642号 </ footer > <!-- 导航侧边栏 --> < div class = "outline" > < a href = "javascript:;" class = "outline__item outline__item_status_active" >首页</ a > < a href = "javascript:;" class = "outline__item" >外观</ a > < a href = "javascript:;" class = "outline__item" >配置</ a > < a href = "javascript:;" class = "outline__item" >型号</ a > < a href = "javascript:;" class = "outline__item" >说明</ a > </ div > < script type = "text/javascript" src = "js./test.js" ></ script > < script type = "text/javascript" src = "js./index.js" ></ script > </ body > </ html > |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | //获取元素 var getElem = function(selector){ return document.querySelector(selector); } var getAllElem = function(selector){ return document.querySelector(selector); } // 获取元素样式 var getCls = function(element){ return element.getAttribute('class'); } // 设置元素样式 var setCls = function(element , cls){ return element.setAttribute('class' , cls); } // 为元素添加样式 var addCls = function(element , cls){ var baseCls = getCls(element); // 如果没有找到这个样式,就加一个 if( baseCls.indexOf(cls) === -1){ setCls( element , baseCls+' '+cls); } } // 为元素删除样式 var delCls = function(element , cls){ var baseCls = getCls(element); //如果能找到这个样式,就删除 if( baseCls.indexOf(cls) != -1){ setCls( element , baseCls.split(cls).join(' ') .replace(/\s+/g,' ')); } } // 页面载入完成后,所有动画元素设置_animate_init // 第一步:初始化样式 init var screenAnimateElements = { // 每屏动画 '.screen-1' : [ '.screen-1__heading', '.screen-1__phone', '.screen-1__shadow', ], '.screen-2' : [ '.screen-2__heading', '.screen-2__subheading', '.screen-2__phone', '.screen-2__point_i_1', '.screen-2__point_i_2', '.screen-2__point_i_3', ], '.screen-3' : [ '.screen-3__heading', '.screen-3__phone', '.screen-3__subheading', '.screen-3__features', ], '.screen-4' : [ '.screen-4__heading', '.screen-4__subheading', '.screen-4__type__item_i_1', '.screen-4__type__item_i_2', '.screen-4__type__item_i_3', '.screen-4__type__item_i_4', ], '.screen-5' : [ '.screen-5__heading', '.screen-5__subheading', '.screen-5__bg', ], }; // 把某个屏幕上有动画样式的都设为init //设置屏内元素为初始状态 var setScreenAnimateInit = function(screenCls){ var screen = document.querySelector(screenCls);//获取当前屏的元素 var animateElements = screenAnimateElements[screenCls];//需要设置动画的元素 for(var i=0; i< animateElements.length ; i++){ var element = document.querySelector(animateElements[i]); var baseCls = element.getAttribute('class'); element.setAttribute('class',baseCls +' '+animateElements[i].substr(1)+'_animate_init'); } } // 设置播放屏内的元素动画 var playScreenAnimateDone = function(screenCls){ var screen = document.querySelector(screenCls);//获取当前屏的元素 var animateElements = screenAnimateElements[screenCls];//需要设置动画的元素 for(var i = 0 ; i<animateElements.length; i++){ var element = document.querySelector(animateElements[i]); var baseCls = element.getAttribute('class'); element.setAttribute('class',baseCls.replace('_animate_init','_animate_done')); } } window.onload = function(){ console.log('onload'); // 每一屏动画 for(k in screenAnimateElements){ setScreenAnimateInit(k); } } // 第二步:滚动到哪里,就播放到哪里 window.onscroll = function(){ var top = document.body.scrollTop; console.log(top); // 滚动条大于800时要让第一屏播放 if(top > 1){ playScreenAnimateDone('.screen-1'); } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | // 将有动画效果的放一起 var screenAnimateElements = { // 每屏动画 '.screen-1' : [ '.screen-1__heading', '.screen-1__phone', '.screen-1__shadow', ], '.screen-2' : [ '.screen-2__heading', '.screen-2__subheading', '.screen-2__phone', '.screen-2__point_i_1', '.screen-2__point_i_2', '.screen-2__point_i_3', ], '.screen-3' : [ '.screen-3__heading', '.screen-3__phone', '.screen-3__subheading', '.screen-3__features', ], '.screen-4' : [ '.screen-4__heading', '.screen-4__subheading', '.screen-4__type__item_i_1', '.screen-4__type__item_i_2', '.screen-4__type__item_i_3', '.screen-4__type__item_i_4', ], '.screen-5' : [ '.screen-5__heading', '.screen-5__subheading', '.screen-5__bg', ], }; // 设置当前屏幕的样式 function setScreenAnimate(screenCls){ var screen = document.querySelector(screenCls);//获取当前屏的元素 var animateElements = screenAnimateElements[screenCls];//需要设置动画的元素 //测试是否有初始化子元素的样式 var isSetAnimateClass = false; //当前屏幕下所有子元素的状态是DONE? var isAnimateDone = false; screen.onclick = function(){ // 初始化样式,增加init(A A_init) if( isSetAnimateClass === false){ for(var i=0; i< animateElements.length ; i++){ var element = document.querySelector(animateElements[i]); var baseCls = element.getAttribute('class'); element.setAttribute('class',baseCls +' '+animateElements[i].substr(1)+'_animate_init'); } isSetAnimateClass = true; return ; } //切换所有的 AnimateElements 的 init ——> done (A A_done) if( isAnimateDone === false){ for(var i=0; i< animateElements.length ; i++){ var element = document.querySelector(animateElements[i]); var baseCls = element.getAttribute('class'); element.setAttribute('class',baseCls.replace('_animate_init','_animate_done')); } isAnimateDone = true; return ; } //切换所有的 AnimateElements 的 done ——> init (A A_init) if( isAnimateDone === true){ for(var i=0; i<animateElements.length; i++){ var element = document.querySelector(animateElements[i]); var baseCls = element.getAttribute('class'); element.setAttribute('class',baseCls.replace('_animate_done','_animate_init')); } isAnimateDone = false; return ; } } } // 每一屏动画 for(k in screenAnimateElements){ setScreenAnimate(k); } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /*第一屏文字内容*/ /*第一屏文字*/ .screen-1__shadow, .screen-1__phone, .screen-1__heading{ transition: all 1s; } .screen-1__heading_animate_init{ opacity: 0; transform: translate(0,100%); } .screen-1__shadow_animate_done, .screen-1__phone_animate_done, .screen-1__heading_animate_done{ opacity: 1; transform: translate(0,0); } /*第一屏手机*/ .screen-1__phone_animate_init{ opacity: 0; transform: translate(0,-100%); } /*第一屏手机阴影*/ .screen-1__shadow_animate_init{ opacity: 0; transform: translate(0,100%); } /*第二屏动画*/ .screen-2__subheading, .screen-2__phone, .screen-2__heading{ transition: all 1s; } .screen-2__heading_animate_init{ opacity: 0; transform: translate(0,-100%); } .screen-2__subheading_animate_init{ opacity: 0; transform: translate(0,100%); } .screen-2__phone_animate_init{ opacity: 0; transform: translate(0,50%); } .screen-2__phone_animate_done, .screen-2__subheading_animate_done, .screen-2__heading_animate_done{ opacity: 1; transform: translate(0,0); } .screen-2__point{ transition: all 1s 1s; } .screen-2__point_done{ opacity: 1; transform: translate(0,0); } .screen-2__point_i_1_animate_init{ opacity: 0; transform: translate(-100%,0); } .screen-2__point_i_3_animate_init, .screen-2__point_i_2_animate_init{ opacity: 0; transform: translate(100%,0); } /*第三屏动画*/ .screen-3__features, .screen-3__subheading, .screen-3__phone, .screen-3__heading{ transition: all 1s; } .screen-3__phone_animate_done, .screen-3__subheading_animate_done, .screen-3__heading_animate_done{ opacity: 1; transform: translate(0,0); } .screen-3__heading_animate_init{ opacity: 0; transform: translate(0,-100%); } .screen-3__phone_animate_init, .screen-3__subheading_animate_init{ opacity: 0; transform: translate(0,100%); } .screen-3__features_animate_init{ opacity: 0; transform: scale(.5); } .screen-3__features_animate_done{ opacity: 1; transform: scale(1); } .screen-3__features__item{ transition: all .5s; cursor: pointer; } .screen-3__features__item:hover{ transform: scale(1.1); border-color: #fff; } /*第四屏动画*/ .screen-4__subheading, .screen-4__heading{ transition: all 1s; } .screen-4__heading_animate_init{ opacity: 0; transform: translate(0,-100%); } .screen-4__subheading_animate_init{ opacity: 0; transform: translate(0,100%); } .screen-4__type__item_i_1{ transition: all 1s .5s; } .screen-4__type__item_i_2{ transition: all 1s 1s; } .screen-4__type__item_i_3{ transition: all 1s 1.5s; } .screen-4__type__item_i_4{ transition: all 1s 2s; } .screen-4__type__item_i_1_animate_init, .screen-4__type__item_i_2_animate_init, .screen-4__type__item_i_3_animate_init, .screen-4__type__item_i_4_animate_init{ opacity: 0; } .screen-4__type__item_i_1_animate_done, .screen-4__type__item_i_2_animate_done, .screen-4__type__item_i_3_animate_done, .screen-4__type__item_i_4_animate_done{ opacity: 1; } /*第五屏动画*/ .screen-5__bg, .screen-5__subheading, .screen-5__heading{ transition: all 1s; } .screen-5__heading_animate_init{ opacity: 0; transform: translate(0,-100%); } .screen-5__bg_animate_init, .screen-5__subheading_animate_init{ opacity: 0; transform: translate(0,100%); } /*定义帧动画*/ @-webkit-keyframes bounce { 0%,100% { transform: scale(0); } 50% { transform: scale(1); } } /*给第二屏的手机介绍使用帧动画*/ .screen-2__point:before, .screen-2__point:after{ content: ' '; display: block; width: 20px; height: 20px; position: absolute; top: 1px; left: 0px; background-color: rgba(255,0,0,0.4); border-radius: 50%; -webkit-animation: bounce 2s infinite; } .screen-2__point:before{ -webkit-animation: bounce 2s infinite 1s; } .screen-2__point_i_1:after, .screen-2__point_i_1:before{ left: 200px; } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 | /* BEM设计模式 模块(没有前缀,多个单词用“-”连接) 元素(元素在模块之后,可以有多个层级,以__连接) 修饰(某元素、或某模块特别的状态,必须有一个状态名和状态值,使用_连接) */ /*头部*/ .header{ background-color: #f7f7f7; } /*包含内容*/ .header__wrap{ height: 80px; width: 1200px; position: relative; margin: 0 auto; } /*logo*/ .header__logo{ width: 100px; height: 38px; line-height: 38px; font-size: 20px; color: #07111b; padding-left: 50px; background:url('../img/logo.png') left center no-repeat; background-size: 38px 38px; position: absolute; top:50%; margin-top: -19px; left: 20px; } /*导航*/ .header__nav{ position: absolute; right: 20px; height: 38px; top: 50%; margin-top: -19px; } /*导航内元素*/ .header__nav-item{ color: #292f35; font-size: 14px; display: block; height: 38px; line-height: 38px; float: left; margin-left: 40px; position: relative; } /*鼠标移入导航文字变红*/ .header__nav-item:hover{ color: #f01400; } /*状态与状态值*/ .header__nav-item_status_active{ color: #f01400; } /*导航的下划线*/ .header__nav-item_status_active::after{ content:' '; display: block; width: 100%; height: 2px; position: absolute; background-color: #f01400; left: 0; bottom: 0; } /*导航条上的按钮*/ .header__nav-item_custom_button{ background: #000; color: #f4f4f5; text-align: center; width: 90px; border-radius: 3px; } /*第一屏*/ .screen-1{ height: 800px; background-color: #e7e7e7; background:url(../img/bg-screen-1.png) no-repeat center; position: relative; overflow: hidden; background:url(../img/bg-screen-1.png) no-repeat center; /*让背景图撑满整个屏*/ background-size: cover; } /*文字内容*/ .screen-1__heading{ font-weight: normal; margin:0; padding: 0; font-size: 46px; color: #4d555d; text-align: center; padding-top: 152px; } .screen-1__heading b{ color: #f01400; font-weight: normal; } /*手机*/ .screen-1__phone{ width: 1375px; height: 305px; background:url(../img/screen-1-phone.png) no-repeat center; position: absolute; left: 50%; margin-left: -687px; bottom: 180px; z-index: 2; } /*阴影*/ .screen-1__shadow{ width: 1233px; height: 411px; background:url(../img/screen-1-shadow.png) no-repeat center; position: absolute; left: 50%; margin-left: -616px; bottom: 30px; z-index: 1; opacity: .8; } /*第二屏*/ .screen-2{ height: 800px; background-color: #fafafa; position: relative; overflow: hidden; } /*大标题*/ .screen-2__heading{ font-weight: normal; margin:0; padding: 0; font-size: 46px; line-height: 46px; color: #f01400; text-align: center; padding-top: 96px; } /*子标题*/ .screen-2__subheading{ font-weight: normal; margin:0; padding: 0; font-size: 14px; color: #2c3137; text-align: center; padding-top: 25px; line-height: 28px; } /*手机*/ .screen-2__phone{ width: 928px; height: 873px; background:url(../img/screen-2-phone.png) no-repeat center; position: absolute; left: 50%; margin-left: -464px; bottom: -345px; z-index: 2; } /*手机描述*/ .screen-2__point{ width: 108px; height: 22px; padding-right: 112px; font-size: 22px; line-height: 22px; color: #4d555d; position: absolute; background:url(../img/icon-point-right.png) no-repeat center right; } .screen-2__point_custom_right{ padding:0 0 0 112px; background:url(../img/icon-point-left.png) no-repeat center left; } /*手机描述位置*/ .screen-2__point_i_1{ top: 150px; left: -164px; } .screen-2__point_i_2{ top: 30px; right: 130px; } .screen-2__point_i_3{ top: 330px; right: 30px; } /*第三屏*/ .screen-3{ height: 800px; background-color: red; position: relative; overflow: hidden; background:url(../img/bg-screen-3.png) no-repeat center; /*让背景图撑满整个屏*/ background-size: cover; } /*第三屏容器*/ .screen-3__wrap{ width: 1200px; height: auto; margin: 0 auto; position: relative; } /*大标题*/ .screen-3__heading{ font-size: 46px; line-height: 46px; color: #fff; text-align: left; padding-top: 94px; } /*子标题*/ .screen-3__subheading{ font-size: 14px; color: #fff; text-align: left; padding-top: 25px; line-height: 28px; } /*手机*/ .screen-3__phone{ width: 750px; height: 873px; background:url(../img/screen-3-phone.png) no-repeat center top; position: absolute; right: 0; top: 195px; z-index: 2; } /*左侧内容*/ .screen-3__features{ position: absolute; top: 395px; left: 0; width: 320px; height: 280px; } .screen-3__features__item{ width: 138px; height: 118px; border: 1px solid #cb7173; margin: 0 20px 20px 0; float: left; border-radius: 3px; color: #fff; text-align: center; } .screen-3__features__item__number{ height: 36px; font-size: 36px; line-height: 36px; padding: 28px 0 8px; } .screen-3__features__item__desc{ height: 14px; font-size: 14px; line-height: 14px; } /*第四屏*/ .screen-4{ height: 800px; background-color: #fff; position: relative; overflow: hidden; } .screen-4__wrap{ width: 1200px; height: auto; margin: 0 auto; position: relative; } /*大标题*/ .screen-4__heading{ font-size: 46px; line-height: 46px; color: #f01400; text-align: center; padding-top: 135px; } /*子标题*/ .screen-4__subheading{ font-size: 14px; color: #464a4f; text-align: center; padding-top: 29px; line-height: 28px; } /*手机型号*/ .screen-4__type{ width: 1260px; height: 270px; position: absolute; top: 304px; margin-left: 30px; } /*单个手机*/ .screen-4__type__item{ width: 220px; margin-right: 90px; height: 270px; float: left; position: relative; text-align: center; background-size: cover; } /*手机描述*/ .screen-4__type__item__color{ width: 100%; height: 14px; line-height: 14px; font:14px; color: #2c3238; position: absolute; bottom: -44px; } .screen-4__type__item_i_1{ background: url('../img/phone-1.png') no-repeat left top; } .screen-4__type__item_i_2{ background: url('../img/phone-2.png') no-repeat left top; } .screen-4__type__item_i_3{ background: url('../img/phone-3.png') no-repeat left top; } .screen-4__type__item_i_4{ background: url('../img/phone-4.png') no-repeat left top; } .screen-4__type__item__storage{ width: 100%; height: 12px; line-height: 12px; font:12px; color: #a4a9ae; position: absolute; bottom: -66px; } /*第五屏*/ .screen-5{ height: 800px; position: relative; overflow: hidden; background-color: #d9dde1; } .screen-5__bg{ width: 1920px; height: 433px; background:url(../img/bg-screen-5.png) no-repeat center; background-size: contain; position: absolute; left: 50%; margin-left: -960px; bottom: -100px; } /*大标题*/ .screen-5__heading{ font-size: 46px; line-height: 46px; color: #f01400; text-align: center; padding-top: 130px; } /*子标题*/ .screen-5__subheading{ font-size: 14px; color: #2c3137; text-align: center; padding-top: 25px; line-height: 28px; } /*第六屏*/ .screen-buy{ height: 80px; padding: 120px 0; position: relative; overflow: hidden; background: #2b333b url('../img/bg-screen-buy.png') center no-repeat; text-align: center; } /*按钮*/ .screen-buy__button{ height: 80px; width: 240px; text-align: center; line-height: 80px; font-size: 24px; color: #fff; background-color: #f01414; display: inline-block; border-radius: 3px; /*按钮的渐变效果*/ transition: all .5s; } .screen-buy__button:hover{ box-shadow: 0px 0px 10px #fff; } /*底部*/ .footer{ height: 80px; line-height: 80px; text-align: center; color: #fff; font-size: 12px; background-color: #07111b; } /*导航侧边栏*/ .outline{ position: fixed; padding: 5px 10px; bottom: 120px; right: 0; z-index: 3; background-color: #fff; box-shadow: 0 4px 12px rgba(0,0,0,.5) } .outline__item{ display: block; width: 40px; height: 30px; line-height: 30px; text-align: center; padding: 5px 0; background-color: #fff; margin-top: 5px; border-top: 1px solid #eee; color: #93999f; } .outline__item:first-child{ border: none; } .outline__item_status_active{ color: red; } |
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同学你好,第一屏本来就不需要加滚动效果的,它是页面刚打开的时候就需要执行的,修改参考:
1、手动给第一屏添加init状态:
2、在遍历各屏元素,给其初始化时,应该将第一屏去掉:
3、再手动给第一屏设置done状态:
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