JavaScript实现简单验证码

2023-07-18 02:37:03 72

```javascript

Document

543

看不清换一张验证码：

window.onload=function(){ createCode(4); } //创建验证码 functioncreateCode(len){ // varcode=''; varcodeLength=parseInt(len);//验证码的长度 varcheckCode=document.getElementById('checkCode');//获取画布 //设置验证码 varcodeArray=newArray(0,1,2,3,4,5,6,7,8,9,'z','x','c','v','b','n','m','l','k','j','h','g','f','d','s','a','p','o','i','u','y','t','r','r','e','w','q',"Z",'X','C',"V","B","N","M","A","S","D","F","G","H","J","L","K","P","O","I","U","Y","T","R","E","W","Q") //设置验证码颜色 //varnum=Math.floor(Math.random()*8) varcolor='#'; varbgcolor='#'; varfontcolor=newArray(1,2,3,4,5,6,7,8,9,'a','b','c','d','e','f'); //循环数组，随机获取 for(vari=0;i

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JavaScript实现简单验证码

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