Here you can find the source of repeat(num)
String.prototype.repeat = function(num){ if(typeof(num)!='number' || num < 0) return this; result = '';/*from w ww .ja va 2 s . com*/ for(var i = 0; i < num; i++){ result += this; } return result; };
String.prototype.repeat = function (num) { var a = []; a.length = num << 0 + 1; return a.join(this); };
String.prototype.repeat = function (num) { return new Array(num + 1).join(this); };
String.prototype.repeat = function(num){ return new Array( num + 1 ).join( this ); Array.prototype.indexOfgenericId = function(id, pos) { for (var i = 0; i < this.length; i++) if (this[i].genericId === id){ return this[i]._id; i=0; break;} return (this[pos] || '' && pos == -1)? this[pos]._id : null;
String.prototype.repeat = function(num) { return new Array(num+1).join(this); };
String.prototype.repeat=function(num){ return new Array(num+1).join(this) String.prototype.ucfirst=function(){ return this.charAt(0).toUpperCase()+this.slice(1)
String.prototype.repeat = function(repeat){ var endString = ''; for(var i = 0; i<repeat; i+=1){ endString += this; return endString;
String.prototype.repeat = function(times) { return (new Array(times + 1)).join(this); };
String.prototype.repeat = function(times) { return new Array(times+1).join(this); }; console.log( "yes".repeat(3) );
String.prototype.repeat = function (times) { return new Array(times + 1).join(this); };