slice string javascript code example

Example 1: js string slicing

const str = 'The quick brown fox jumps over the lazy dog.';

console.log(str.slice(31));
// expected output: "the lazy dog."

console.log(str.slice(4, 19));
// expected output: "quick brown fox"

Example 2: javascript slice string from character

var input = 'john smith~123 Street~Apt 4~New York~NY~12345';

var fields = input.split('~');

var name = fields[0];
var street = fields[1];

Example 3: string splice

newStr = str.split(''); // or newStr = [...str];
newStr.splice(2,5);
newStr = newStr.join('');

Example 4: slice string js

const str = 'The quick brown fox jumps over the lazy dog.';

console.log(str.slice(31)); // expected output: "the lazy dog."

console.log(str.slice(4, 19)); // expected output: "quick brown fox"

console.log(str.slice(-4)); // expected output: "dog."

console.log(str.slice(-9, -5)); // expected output: "lazy"

// source : https://developer.mozilla.org/fr/docs/Web/JavaScript/Reference/Objets_globaux/String/slice

Example 5: js slice

const arr=[1,2,3,4,5];

const slicedArr = arr.slice(1,4); // slicedArr = [2,3,4]

Example 6: slice string javascript if has @

let email = '[email protected]'
let localPart = email.slice(0,email.indexOf('@'));