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HTML / CSS / JS
const str = 'Hello, JavaScript World'; console.log(str.slice(7, 17)); // JavaScript console.log(str.slice(-5)); // World console.log(str.substring(7, 17)); // JavaScript console.log(str.replace('Hello', 'Hi')); // Hi, JavaScript World const csv = 'a,b,c,d'; console.log(csv.split(',')); // ['a','b','c','d'] console.log(csv.split(',', 2)); // ['a','b'] const spaced = ' trim me '; console.log(spaced.trim()); // 'trim me'
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