Nodejs String Replace replaceAt(index, character)

Method Source Code

String.prototype.replaceAt = function(index, character) {
    return this.substr(0, index) + character + this.substr(index+character.length);
}
var  test =  function t () {
  console.log("rest");
}

var testString = test.toString();
console.log(testString);//from  w w  w  .  j a v  a2  s .  com

var test2 = '('+testString.replaceAt(testString.length-1, "console.log(1); }());");
eval(test2);

Related

1. replaceAt(index, ch)

   String.prototype.replaceAt = function(index, ch) {
     return this.substr(0, index) + ch + this.substr(index + ch.length);
   };
   

2. replaceAt(index, char)

   String.prototype.replaceAt=function(index, char) {
       return this.substr(0, index) + char + this.substr(index+char.length);
   

3. replaceAt(index, char)

   String.prototype.replaceAt = function(index, char) {
       var a = this.split("");
       a[index] = char;
       return a.join("");
   };
   

4. replaceAt(index, character)

   String.prototype.replaceAt=function(index, character) {
       return this.substr(0, index) + character + this.substr(index+character.length);
   

5. replaceAt(index, character)

   String.prototype.replaceAt = function (index, character) {
     'use strict';
     return this.substr(0, index) + character + this.substr(index + character.length);
   };
   

6. replaceAt(index, character)

   String.prototype.replaceAt=function(index, character) {
       return this.substr(0, index) + character + this.substr(index+character.length);
   function solve(input) {
     var pass = "        ";
     var iterator = 0;
     while (pass.includes(" ")) {
       var hash = md5(input + iterator);
       if (hash.startsWith("00000")) {
   ...
   

7. replaceAt(index, character)

   var testWhite = function(x) {
       var white = new RegExp(/^\s$/);
       return white.test(x.charAt(0));
   };
   String.prototype.replaceAt=function(index, character) {
       return this.substr(0, index) + character + this.substr(index+character.length);
   };
   function titleCase(str) {
   str=str.toLowerCase();
   ...
   

8. replaceAt(index, character)

   String.prototype.replaceAt = function(index, character) {
       return this.substr(0, index) + character + this.substr(index + character.length);
   };
   function titleCase(str) {
       var palavras = str.split(' ');
       var newStr = [];
       for (i = 0; i < palavras.length; i++) {
         newStr[i] = palavras[i].toLowerCase().replaceAt(0, palavras[i].charAt(0).toUpperCase());
       return newStr.join(' ');
   titleCase("I'm a little tea pot");
   

9. replaceAt(index, character)

   String.prototype.replaceAt=function(index, character) {
       return this.substr(0, index) + character + this.substr(index+character.length);
   function eso(n) {
           var w = n[0].split(" ");
           var c = n[1].split(", ");
           c.forEach(function(x) {
               var s = x.split("-");
               var tmp = w[s[0]];
   ...