【JavaScript】関数の定義4種類 - Qiita

function getTryangle1(base, height) { return base * height / 2; } console.log(`三角形の面積: ${getTryangle1(5, 2)}`); var getTryangle2 = new Function('base', 'height', 'return base * height / 2;'); console.log(`三角形の面積: ${getTryangle2(5, 2)}`); var getTryangle3 = function(base, height) { return base * height / 2; }; console.log(`三角形の面積: ${getTryangle3(5, 2)}`); let getTryangle4 = (base, height) => { retu