Javascript randomly adds the image from the first dom to the second div as an example
- 2020-03-26 21:22:23
- OfStack
Javascript randomly adds the image in the first dom to the second div. This code is a simple example that extracts two random images from the five images in the first div and displays them in the second div.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title> Randomly display two of the five images - Test the picture with baidu space picture </title>
<script type="text/javascript">
window.onload = function (){
var count=4;
var original=new Array;//The original array
var tpDiv = document.getElementById('kstupian'); //Get the dom object
var images = tpDiv.getElementsByTagName("img");
for (var i=0;i<count;i++){original[i]=i;}
original.sort(function(){ return 0.5 - Math.random(); });
var myDiv = document.getElementById('myDiv'); //Get the dom object
for (var i=0;i<2;i++){
var bigImg = document.createElement("img"); //Create an img element
bigImg.width="200"; //You don't need to add px to 200 pixels
bigImg.src=images.item(original[i]).src; //Assign a value to the SRC attribute of the img element
myDiv.appendChild(bigImg); //Add the child element img to the dom
}
};
</script>
</head>
<body>
<h2> The first one div The pictures are five </h2>
<div id="kstupian">
<img src="http://a.hiphotos.bdimg.com/album/s%3D1000%3Bq%3D90/sign=2a369e6d918fa0ec7bc7600d16a7629f/b03533fa828ba61ee03594714134970a314e5990.jpg" width="200">
<img src="http://c.hiphotos.bdimg.com/album/s%3D1000%3Bq%3D90/sign=b03c3e4211dfa9ecf92e521752e0cc72/d058ccbf6c81800a5b37d550b13533fa838b4799.jpg" width="200">
<img src="http://h.hiphotos.bdimg.com/album/s%3D1000%3Bq%3D90/sign=a4ff82aab74543a9f11bfecc2e27b1f3/203fb80e7bec54e721374640b9389b504ec26a90.jpg" width="200">
<img src="http://g.hiphotos.bdimg.com/album/s%3D1000%3Bq%3D90/sign=cb1f8fa37b899e517c8e3e147297e242/b3119313b07eca809bdd65b9912397dda0448390.jpg" width="200">
<img src="http://a.hiphotos.bdimg.com/album/s%3D1000%3Bq%3D90/sign=fe1172bbad6eddc422e7b0fb09eb8d8c/5ab5c9ea15ce36d325dcdf6e3af33a87e850b190.jpg" width="200">
</div>
<h2> The first one div The pictures are two that are not repeated at random </h2>
<div id="myDiv" ></div>
</body>
</html>