javascript search substring in string code example

Example 1: angular string contains

const string = "foo";
const substring = "oo";

console.log(string.includes(substring));

Example 2: angular string contains

var string = "foo";
var substring = "oo";

console.log(string.indexOf(substring) !== -1);

Example 3: search inside a string javascript

var string = "Hello world!";
var n = string.search("w"); //now n equals 6