document.write('❤️forEach기본<br>');

const fruit=['사과','딸기','바나나','키위','포도']

document.write('fruit : ');

document.write(fruit);

document.write('<br>');

​

function fruitEach(value,index){

  document.write(`fruit index[${index}] : ${value} <br>`);

}

fruit.forEach(fruitEach)

​

document.write('💙forEach응용<br>');

const test=[

  {name:"국어",value:80},

  {name:"수학",value:90},

  {name:"영어",value:70}]

let sum=0;

  function testEach(item){

    document.write(`${item.name} 점수 : ${item.value} <br>`);

    sum+=item.value

  }

test.forEach(testEach);

document.write(`점수의 총합 : ${sum}`);