slice of variable 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: cut string from string javascript

var ret = "data-123".replace('data-','');
console.log(ret);   //prints: 123