ES6 ArrowFunction

setTimeout(function(){ console.log("settimeout"); },1000) setTimeout( ()=>{ console.log("Arrow"); },1000) let newArr = [1,2,3,4,5].map( (v) =>v *2 ); console.log(newArr); const myObj = { runTimeout(){ setTimeout(()=>{ console.log(this === window); this.printData(); },2000); }, printData(){ console.log("hi codesquad"); } } myObj.runTimeout; function sum(value,size={value:1}){ return value*size.value; } console.log(sum(3,{value:3})); //rest parameter function checkNum(...argArray){ console.log(toS...

원문링크 : ES6 ArrowFunction