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JavaScript - code style for array (style guide - correct formatter for array)
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In this article, we would like to show you code style for array in JavaScript.
Quick solution:
const users = [
'first user',
'second user'
];Note:
The main principle of creating an array is to make our code look clean.
Simple array example
To create an array we use square brackets [] by opening - [ and closing - ]; array in separate lines when our items are complex or just long. We place each item in a new line between the opening and closing bracket. As a separator for items we use comas ,.
Example for short/simple items:
const letters = ['a', 'b', 'c'];Example for long/complex items:
const users = [
'first user',
'second user',
'third user'
];Array of objects example
Each object in the array should be placed in a new line and separated with coma ,.
Example:
var users = [
{name: 'Thomas', age: '21'},
{name: 'Mark', age: '35'},
{name: 'John', age: '29'}
];Array of arrays example
For nested arrays, we mix the above rules - short items in one line, long or complex items in the separated line.
Example:
var advArr = [
['ID', 'Name', 'Age'],
[
{ id: 1, name: 'Bob', age: 25 },
{ id: 2, name: 'Adam', age: 43 },
{ id: 3, name: 'Mark', age: 16 },
{ id: 4, name: 'John', age: 29 }
]
];