Here you can find the source of contains(elem)
Array.prototype.contains = function(elem) { return this.indexOf(elem) != -1; }
Array.prototype.contains = function(el) { for(var i = 0; i < this.length; i++) { if(this[i] === el) { return true; return false; };
Array.prototype.contains = function(el, test) { if (test == null) return this.indexOf(el) >= 0; for (var i = this.length; --i >= 0;) if (test(this[i], el)) return true; };
Array.prototype.contains = function(ele) { for (var i = 0; i < this.length; i++) { if (this[i] === ele) return true; return false; }; Array.prototype.clear = function() { var cnt = this.length; this.splice(0, cnt); ...
Array.prototype.contains = function(ele) if(!ele) return false; var b=false; for(var i=0;i<this.length;i++){ if(this[i]==ele){ b=true; return b; }; Array.prototype.uniq = function(){ var a = []; this.forEach(function(b){ if(a.indexOf(b) < 0) {a[a.length] = b} }); return a; }; Array.prototype.uniqById = function(){ var a = []; var r = []; this.forEach(function(b){ if(b){ if("id" in b){ if(a.indexOf(b.id) < 0){ a[a.length] = b.id; r[r.length] = b; }else if("_id" in b){ if(a.indexOf(b._id) < 0){ a[a.length] = b._id; r[r.length] = b; }); return r;
Array.prototype.contains = function(elem) for (var i in this) if (this[i] == elem) return true; return false; };
Array.prototype.contains = function (elem) { for (var i = 0; i < this.length; i++) { if (this[i] == elem) { return true; return false;
Array.prototype.contains = function(elem){ for(var i = 0; i < this.length; i++) { if(this[i] === elem) return true; return false; };
Array.prototype.contains = function(elem) { return this.indexOf(elem) >= 0
Array.prototype.contains = function(element) { return this.indexOf(element) >= 0; };