本文实例为大家分享了JS生成随机密码的具体代码,供大家参考,具体内容如下
题目:
输入一个正整数n,生成n个随机密码,其中包括数字,大小写字母。
代码:
<!DOCTYPE html> <html lang=\"en\"> <head> <meta charset=\"UTF-8\"> <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"> <meta http-equiv=\"X-UA-Compatible\" content=\"ie=edge\"> <title>Document</title> <style> div{ width: 300px; height: 100px; background-color: lightblue; overflow: auto; } </style> </head> <body> <input type=\"text\"> <button>生成</button> <div class=\"end\"></div> <script> var oTn = document.getElementsByTagName(\"input\")[0]; var oBtn = document.getElementsByTagName(\"button\")[0]; var oDiv = document.querySelector(\".end\"); var password = [\"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\",\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\" ]; function pass(length){ var Str = \"\"; for(var i = 0 ; i<length;i++){ Str += password[Math.floor(Math.random()*password.length)]; } return Str; } oBtn.onclick = function(){ oDiv.innerHTML = pass(oTn.value); } </script> </body> </html>
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