javascript

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这里写图片描述 “`

js验证码

.code
{
background:url(code_bg.jpg);
font-family:Arial;
font-style:italic;
color:blue;
font-size:30px;
border:0;
padding:2px 3px;
letter-spacing:3px;
font-weight:bolder;
float:left;
cursor:pointer;
width:150px;
height:60px;
line-height:60px;
text-align:center;
vertical-align:middle;
}
a
{
text-decoration:none;
font-size:12px;
color:#288bc4;
}
a:hover
{
text-decoration:underline;
}

var code;function createCode() { code = ""; var codeLength = 6; //验证码的长度 var checkCode = document.getElementById("checkCode"); var codeChars = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'); //所有候选组成验证码的字符，当然也可以用中文的 for(var i = 0; i

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