Here you can find the source of has(needle)
Array.prototype.has = function(needle) { return $.inArray(needle, this) != -1; }; Object.prototype._toString = function() { this.str = ''; for (var prop in this) {/* w ww . ja v a 2s .co m*/ try { if (typeof(this[prop]) != "undefined") { this.str += prop + ': ' + this[prop] + "\n"; } else { this.str += prop + ': "",' + "\n"; } } catch(e) {} } return this.str; };
Array.prototype.has = function { return this.indexOf(item) > -1
Array.prototype.has = function(e) { for(var i = 0; i < this.length; i++) if((e.equals) ? e.equals(this[i]) : e === this[i]) return true; return false; };
Array.prototype.has = function(elem) { return this.indexOf(elem) !== -1; };
Array.prototype.has = function(elm) { return~~ this.indexOf(elm); };
"use strict"; Array.prototype.has = function (item) { return this.indexOf(item) > -1; };
Array.prototype.has = function(needle) for (var i = 0; i < this.length; i++) if (this[i] == needle) return true; return false; };
Array.prototype.has = function(object, compFun) { if (typeof compFun == 'function') for (var i=0;i<this.length;i++) if (compFun(this[i],object)) return i; else ...
Array.prototype.has= function (v) { for (i = 0; i < this.length; i++) { if (this[i] == v) { return i; return false;
Array.prototype.has=function(v) { for (i=0;i<this.length;i++) { if (this[i]==v) return i; return undefined;