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How to randomly display background images in javascript_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:54:131332browse

The example in this article describes the method of randomly displaying background images in javascript. Share it with everyone for your reference. The details are as follows:

Add the following code between the 93f0f5c25f18dab9d176bd4f6de5d30e9c3bca370b5104690d9ef395f2c5f8d1 of the HTML: 

<script LANGUAGE="JavaScript">
bg = new Array(2);
//设定图片数量，如果图片数为3，这个参数就设为2，依次类推
bg[0] = 'bg1.gif' //显示的图片路径，可用http://
bg[1] = 'bg2.gif'
bg[2] = 'bg3.gif'
index = Math.floor(Math.random() * bg.length);
document.write("<BODY BACKGROUND="+bg[index]+">");
</script>

I hope this article will be helpful to everyone’s JavaScript programming design.

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