Here you can find the source of last()
Array.prototype.last = function () { return this[ (this.length-1) ]; };
Array.prototype.last = function() { return this[this[(this.length - 2)]] const ok = [1, 2, 234234] console.log(ok.last()) const Demo = self => { self.state = {wow: "wow", nice: "nice"} self.methods = { setState: newState => { ...
Array.prototype.last = function() { return this[this.length - 1]; };
Array.prototype.last = function(){ return this[this.length-1]; Array.prototype.first = function(){ return this[0]; Array.prototype.removeAtIndex = function(index){ this.splice(index,1);
Array.prototype.last = function () { if (this.length > 0) return this[this.length - 1]; else return undefined;
Array.prototype.last = function() { return this[this.length-1];
Array.prototype.last = function() { if (this.isEmpty()) { return null; return this[this.length - 1]; };
Array.prototype.last = function() { if (this.length == 0) return null return this.slice(this.length - 1)[0]
Array.prototype.last = function (arr) { return this[this.length-1]
Array.prototype.last = function(fn, scope) { if (Object.prototype.toString.call(this) !== '[object Array]') { throw new TypeError("`this` must be Array, not " + typeof this); if (typeof fn === 'undefined') { return this[this.length - 1]; if (typeof fn !== 'function') { throw new TypeError("Optional argument[0] must be predicate function if defined"); ...