javascript how to check if a string containes a word code example

Example 1: angular string contains

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

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

Example 2: check if word is in string javascript

var str = "Hello world, welcome to the universe.";
var n = str.includes("world");

Example 3: javascript check if string contains a text substring

stringVariable.includes("Your Text");