基于jquery的一个懒加载组件
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2022-03-15 15:52:55
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这次给大家带来基于jquery的一个懒加载组件,基于jquery的懒加载组件的注意事项有哪些,下面就是实战案例,一起来看一下。
<style lang="scss" type="text/scss" scoped> #home { background: rgba(245, 245, 245, .8); width: 1000px; margin: 0 auto; min-height: 500px; padding: 30px; .wrap { position: relative; width: 100%; height: 299px; box-sizing: border-box; overflow: hidden; background: #ffffff; margin-bottom: 10px; img { display: block; width: 60%; height: 60%; cursor: pointer; margin: 20px auto; } &:hover { transform: translate3d(0, -2px, 0); box-shadow: 0 15px 30px rgba(0, 0, 0, .1); } &:hover .child { /*animation: moveup .2s linear ;*/ transition: all .2s linear; bottom: 0; } .child { position: absolute; bottom: -75px; left: 0; background: #ff6700; width: 100%; cursor: pointer; height: 75px; z-index: 1; p { color: #ffffff; line-height: 25px; font-size: 14px; text-align: center; &:nth-child(1) { font-size: 16px; font-weight: 600; } &:nth-child(2) { } } } } }</style><template> <div id="home" class=" "> <Row :gutter="10"> <Col span="6" v-for="item in 100"> <div class="wrap" > <img alt="xiaomI" src="../../assets/imgs/dg.png" name="0"> <div class="child"> <p>小米净水器(厨下式)</p> <p>大流量直出纯净水,健康家庭必备</p> </div> </div> </Col> </Row> </div></template><script> import imgSrc from "./1.jpg"; export default { data () { return { msg: "" } }, computed: {}, props: [], components: {}, methods: { //加载当前视口 loadingShiKou: function () { let $imgs = $(".wrap img"); let seeHieight = $(window).height(); let scrollTop = $(window).scrollTop(); $imgs.each(function (index, item) { let name = $(item).attr("name") - 0; // 0 未加载 1 加载 if ( $(item).offset().top < seeHieight + scrollTop) { if (name === 0) { $(item).attr("name", 1); setTimeout(function () { $(item).attr("src", imgSrc); },1000) } } }) } }, created () { }, mounted () { const huang = this; this.loadingShiKou(); $(document).scroll(function () { huang.loadingShiKou(); }) } }</script>
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