JavaScript Html to implement the mobile red envelope rain function page

This article example shares the specific code of Html to realize the mobile red envelope rain function page for your reference. The specific content is as follows

The effect is as follows:

The specific code is as follows

HTML part:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <title>Red Envelope Rain</title>
 <link rel="stylesheet" href="./css/demo.css" >
 <link rel="stylesheet" href="./css/index.css" >
</head>
<body>
 <!-- Red Envelope -->
 <ul class="redPaper">
 <!-- <li>
 <a href="#" ><img src="./images/hb_1.png" alt=""></a>
 </li> -->
 </ul>
 <div class="backward">
 <span></span>
 </div>
 <script src="./js/jquery.min.js"></script>
 <script src="./js/index.js"></script>
 <script>
 
 </script>
</body>
</html>

demo.css is the initialization css, you don't need to add

index.css section

body{
 width: 100%;
 height: 100%;
 background-image: url(../images/bj.jpg);
 background-repeat: no-repeat;
 background-size: cover;
 position: relative;
}
.redPaper{
 width: 100%;
 height: 100%;
 /* border: 1px solid black; */
 overflow: hidden;
}
.redPaper li {
 position: absolute;
 animation: all 3s linear;
 top:-100px;
 -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.redPaper li a{
 display: block;
}
.backward{
 width: 100%;
 background:#ccc;
 opacity: 0.5;
 position: absolute;
 top: 0;
 
}
.backward span{
 display: inline-block;
 width: 100px;
 height: 100px;
 color: #000;
 font-weight: bold;
 position: absolute;
 top: 0;
 left: 0;
 right: 0;
 bottom: 0;
 margin: auto;
 text-align: center;
 line-height: 100px;
 font-size: 1000%;
}

index.js part:

$(document).ready(function () {
 var win = (parseInt($('.redPaper').css('width'))) - 60;
 console.log(win)
 $(".redPaper").css("height", $(document).height());
 $(".backward").css("height", $(document).height());
 $("li").css({});
 // Close the modal layer when clicking confirm// $(".sen a").click(function(){
 // $(".mo").css("display", "none")
 // });

 var del = function () {
 nums++;
 // console.info(nums);
 // console.log($(".li" + nums).css("left"));
 $(".li" + nums).remove();
 setTimeout(del, 200)
 }

 var addRedPaper = function () {
 var hb = parseInt(Math.random() * (3 - 1) + 1);
 var randomW = parseInt(Math.random() * (70 - 30) + 20);
 var randomLeft = parseInt(Math.random() * win);
 var randomRotate = (parseInt(Math.random() * 45)) + 'deg';
 // console.log(rot)
 num++;
 $(".redPaper").append("<li class='li" + num + "' ><a href='javascript:;'><img src='images/hb_" + hb + ".png' data-num ='" + num + "'></a></li>");
 $(".li" + num).css({
 "left": randomLeft,
 });
 $(".li" + num + " a img").css({
 "width": randomW,
 "transform": "rotate(" + randomRotate + ")",
 "-webkit-transform": "rotate(" + randomRotate + ")",
 "-ms-transform": "rotate(" + randomRotate + ")", /* Internet Explorer */
 "-moz-transform": "rotate(" + randomRotate + ")", /* Firefox */
 "-webkit-transform": "rotate(" + randomRotate + ")",/* Safari and Chrome */
 "-o-transform": "rotate(" + randomRotate + ")" /* Opera */
 });
 $(".li" + num).animate({ 'top': $(window).height() + 20 }, 5000, function () {
 //Delete the displayed red envelope this.remove()
 });
 //When clicking on the red envelope, the modal layer pops up $(".li" + num).click(function (e) {
 if (e.target.tagName == 'IMG') {
 console.log(e.target.dataset.num)
 }

 });
 setTimeout(addRedPaper, 200)
 }

 //Increase red envelope var num = 0;
 setTimeout(addRedPaper, 3000);

 //Countdown var backward = function () {
 numz--;
 if (numz > 0) {
 $(".backward span").html(numz);
 } else {
 $(".backward").remove();
 }
 setTimeout(backward, 1000)

 }

 var numz = 4;
 backward();

})

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

You may also be interested in: