Here you can find the source of last()
Array.prototype.last = function() { return this[this[(this.length - 2)]] } const ok = [1, 2, 234234]/*from w ww. j av a2s .c o m*/ console.log(ok.last()) const Demo = self => { self.state = {wow: "wow", nice: "nice"} self.methods = { setState: newState => { if (newState === self.state) throw new TypeError( `Please don't use refrences to "state"` ) self.state = Object.assign(self.state, newState) } } return Object.assign(self.state, self.methods) } const d = Demo({}) d.setState({wow: "okkk", nice: "lol"}) console.log([d.wow, d.nice])
Array.prototype.last = function() { if (this.length > 0) { return this[this.length - 1] };
Array.prototype.last = function() { if ( this.length === 0 ) { return; return this[ this.length - 1 ]; };
if(!Array.prototype.last) { Array.prototype.last = function() { return this[this.length - 1];
Array.prototype.last = function() { return this[this.length - 1]; };
function p(msg, obj) { if (window.console != undefined) { console.debug(msg, obj); } else { console.log(msg+": "+obj); function warning(msg) { if (window.console != undefined) { ...
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];