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// 加密字符串var toCode = function (str) { var key = '0123456789ABCDEFGHIJKLMNOPQRSTUVWWXYZ' ; var l = key.length ; var a = key.split(''); console.log(str.length); var s = '' ; var b, b1, b2, b3; for(var i = 0; i < str.length; i

// 该方法是对字符串进行自定义编码var toUnicode = String.prototype.toUnicode =function () { /* console.log(this); console.log(arguments); */ var _this = arguments[0] || this; function f () { //console.log(arguments); return '&#'+argume

//const { Script } = require("node:vm");//改写 检测某些特定字符并返回特定字符的索引String.prototype.filter=function(){ if(arguments.length<1) throw new Error('缺少参数'); var a = [], _this = this; for( var i =0; i < arguments.length; i++){ a.push(arg.