console.log('Hello world!!'); let variable=1; const variable_2=2; let str='Hector'; console.log(variable);
function sum(a,b){ return a+b; } function sub(a,b){ return a-b; } function gob(a,b){ return a\*b; } function de
let month = new Date().getMonth()+1;let lastDay = 0;switch (month){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: console.log('l
let student = {name:"Hector",blood:"B",age: 30}; if(student,blood==="A"){ console.log('1st Division'); }else if(student,blood==="B"){ console
Definition
orlet you = { firstName: 'White', lastName: 'Snow', age: 1, getFullName : () => { // When this is defined inside a function(this가 정