之前做项目需要使用JS动态生成一串长度为32的流水号,以下方法可以实现:
<script>
function randomString(len) {
len = len || 32;
var $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var maxPos = $chars.length;
var pwd = '';
for (i = 0; i < len; i++) {
//0~32的整数
pwd += $chars.charAt(Math.floor(Math.random() * (maxPos+1)));
}
return pwd;
}
document.write(randomString(32));
</script>
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