string.contains node js code example

Example 1: check if word is in string javascript

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

Example 2: javascript string includes

'Blue Whale'.includes('blue')  // returns false

Example 3: typescript string contains

const test = 'Hello World';
if (test.includes('World')) { 
  // Found world
}