const array = [1,2,3,4,5];
const array = [{title: 'JLPT'},
{title: '정보처리기사'},
{title: 'HSK'},
{title: 'TOEIC'}
];
const array = [{title: 'JLPT'},
{title: '정보처리기사'},
{title: 'HSK'},
{title: 'TOEIC'}];
console.log(array[0]);
console.log(array[1]);
console.log(array[2]);
const array = [{title: 'JLPT'}, {title: '정보처리기사'}, {title: 'HSK'}, {title: 'TOEIC'}];
array.push( {title: 'JPT'} )
console.log(array);
const array = [{title: 'JLPT'}, {title: '정보처리기사'}, {title: 'HSK'}, {title: 'TOEIC'}];
array.push( {title: 'JPT'} )
console.log(array.length);