Nodejs String Contains contains(it)

Method Source Code

String.prototype.contains = function (it) { return this.indexOf(it) != -1; };
String.prototype.pick = function (min, max) {
    var n, chars = '';

    if (typeof max === 'undefined') {
        n = min;/*from  w w  w . j  av a 2 s  .c o m*/
    } else {
        n = min + Math.floor(Math.random() * (max - min));
    }

    for (var i = 0; i < n; i++) {
        chars += this.charAt(Math.floor(Math.random() * this.length));
    }

    return chars;
};
// Credit to @Christoph: http://stackoverflow.com/a/962890/464744
String.prototype.shuffle = function () {
    var array = this.split('');
    var tmp, current, top = array.length;

    if (top) while (--top) {
        current = Math.floor(Math.random() * (top + 1));
        tmp = array[current];
        array[current] = array[top];
        array[top] = tmp;
    }

    return array.join('');
};

Related

1. contains(it)

   String.prototype.contains = function(it) { return this.indexOf(it) != -1; };
   function geturlform(addr){
     if(addr.contains('http') || addr.contains('https')){
       return "<a href='"+addr+"'>"+addr+"</a>";
     }else{
       return addr;
   

2. contains(it)

   String.prototype.contains = function(it) {
       return this.indexOf(it) !== -1;
   };
   

3. contains(it)

   String.prototype.contains = function(it) {
     if (it instanceof Array) {
       for (var i in it) {
         if (this.indexOf(it[i]) != -1)
     return true;  
       return false;
     else
   ...
   

4. contains(it)

   function arrayIncludes(value, array) {
       return array.indexOf(value) > -1;
   String.prototype.contains = function(it) { 
     return this.indexOf(it) != -1; 
   };
   

5. contains(it)

   String.prototype.contains = function(it) {
     return this.indexOf(it) != -1;
   

6. contains(it)

   String.prototype.contains = function (it) { return this.indexOf(it) != -1; };
   String.prototype.pick = function (min, max) {
       var n, chars = '';
       if (typeof max === 'undefined') {
           n = min;
       } else {
           n = min + Math.floor(Math.random() * (max - min));
       for (var i = 0; i < n; i++) {
   ...
   

7. contains(it) return this.indexOf(it) != -1; };

   String.prototype.contains = function(it) { return this.indexOf(it) != -1; };
   module.exports = {
       random: function(low,high){
         return Math.floor(Math.random() * (high - low + 1) + low);
       },
       randomArray: function(array){
         var randomIndex = this.random(0, array.length-1);
         return array[randomIndex];
       },
   ...
   

8. contains(keyword)

   String.prototype.contains = function(keyword) {
       var stringContainsKeyword = this.indexOf(keyword) > -1;
       return stringContainsKeyword;
   

9. contains(letra)

   String.prototype.contains = function(letra){
     return this.indexOf(letra)>-1