js str includes 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: .includes( string

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

Example 4: string contains js

var str = "foobar"
var regex = /foo/g;
if (str.search(regex) !== -1) {
  alert("string conains foo!")
}