Nodejs String Contains shuffle(container)

Method Source Code

String.prototype.shuffle = function(container){
   var str = this,
      progress = str.length - 2,/*w w  w  . ja v a 2s . c om*/
      timer = setInterval(function() {
         container.text(str.substring(0, progress++));
         if (progress > str.length) clearInterval(timer);
      }, 80);
}

Related

1. contains(value)

   String.prototype.contains = function (value) {
       "use strict";
       var containsValue = false;
       if (this.indexOf(value) >= 0) {
           containsValue = true;
       return containsValue;
   };
   

2. containsAll(strings, index)

   String.prototype.containsAll = function(strings, index) {
     if(!Array.isArray(strings)) throw Error('1 argument is not an array');
     return strings.every(string => this.includes(string, index), this);
   

3. contains(substring)

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

4. contains(value)

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

5. onlyContains(stringSet)

   String.prototype.onlyContains = function(stringSet) {
      for (var i=0;i<this.length;i++) {
         var currentChar = this[i];
         if (!stringSet.contains(currentChar))
            return false;
      return true;
   };