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How to randomly transform images by clicking the mouse with js_javascript skills

PHP中文网
PHP中文网Original
2016-05-16 19:27:25925browse

This article mainly introduces the method of randomly transforming images by clicking the js mouse on the image, involving the use of mouse events and random functions. Friends in need can refer to it

The example of this article describes the js mouse clicking on the image. A method to implement random transformation of images. Share it with everyone for your reference. The specific implementation method is as follows: 

<html>
<title>鼠标点击图片即可随机变换图片</title>
<body bgcolor="#fef4d9" OnLoad="swapPic()">
<center>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var rand1 = 0;
var useRand = 0;
images = new Array;
images[1] = new Image();
images[1].src = "images/m01.jpg";
images[2] = new Image();
images[2].src = "images/m02.jpg";
images[3] = new Image();
images[3].src = "images/m03.jpg";
images[4] = new Image();
images[4].src = "images/m04.jpg";
function swapPic() {
var imgnum = images.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;
document.randimg.src = images[useRand].src;
}
// End -->
</script>
<a onClick="swapPic();">
<img name="randimg" src="images/m09.jpg">
</a>
<br>
<font face="Verdana" size="-2">click image to change
</center>
</body>
</html>

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