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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>
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
标签:
js,随机密码
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