Created
February 17, 2021 18:01
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Just for fun JavaScript
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// just for fun | |
// const names = ['John', 'Allen', 'Martin']; | |
const person = { | |
id: 1, | |
name: 'James', | |
age: 28 | |
}; | |
const state = 'Goa'; | |
// forin | |
// -------------------------------------------- | |
// // array | |
// for (const key in names) { | |
// console.log(`${key} - ${names[key]}`); | |
// } | |
// // string | |
// for (const key in state) { | |
// console.log(`${key} - ${state[key]}`); | |
// } | |
// // object | |
// for (const key in person) { | |
// console.log(`${key} - ${person[key]}`); | |
// } | |
const names = []; | |
names[5] = 'John'; | |
names[2] = 'Allen'; | |
for (const key in names) { | |
console.log(`${key} - ${names[key]}`); | |
} | |
for (const item of names) { | |
console.log(`${item}`); | |
} | |
names.forEach((item, index) => { | |
console.log(`${index} - ${item}`); | |
}); | |
for (let index = 0; index < names.length; index++) { | |
console.log(`${index} - ${names[index]}`); | |
} | |
console.log(names); | |
// forof | |
// -------------------------------------------- | |
// forof only works with iteratable | |
// // array | |
// for (const item of names) { | |
// console.log(`${item}`); | |
// } | |
// // string | |
// for (const item of state) { | |
// console.log(`${item}`); | |
// } | |
// forEach | |
// -------------------------------------------- | |
// array | |
// names.forEach((item, index) => { | |
// console.log(`${index} - ${item}`); | |
// }); | |
// // string | |
// [...state].forEach((item, index) => { | |
// console.log(`${index} - ${item}`); | |
// }); | |
// for | |
// -------------------------------------------- | |
// // array | |
// for (let index = 0; index < names.length; index++) { | |
// console.log(`${index} - ${names[index]}`); | |
// } | |
// // string | |
// for (let index = 0; index < state.length; index++) { | |
// console.log(`${index} - ${state[index]}`); | |
// } |
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