js array
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8. Array APIsJavaScript & TypeScript 2020. 11. 14. 14:24
Quiz // Q1. make a string out of an array const fruits = ['apple', 'banana', 'orange']; const result = fruits.join(); console.log(result); // 'apple,banana,orange' // Q2. make an array out of a string const fruits = '🍎, 🥝, 🍌, 🍒'; const result = fruits.split(','); console.log(result); // ["🍎", " 🥝", " 🍌", " 🍒"] // Q3. make this array look like this: [5, 4, 3, 2, 1] const array = [1, 2, 3, 4, 5]; ..
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7. Array, APIJavaScript & TypeScript 2020. 11. 14. 14:17
Array 1. Declaration const arr1 = new Array(); const arr2 = [1, 2]; 2. Index position const fruits = ['apple', 'banana']; console.log(fruits); // 'apple', 'banana' console.log(fruits.length); // 2 console.log(fruits[0]); // 'apple' console.log(fruits[1]); // 'banana' console.log(fruits[2]); // undefined console.log(fruits[fruits.length - 1]); // 'banana' 3. Looping over an array print all fruits..