check if string contains another string js code example

Example 1: angular string contains

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

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

Example 2: javascript string contains

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

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

Example 3: javascript string includes

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

Example 4: javascript check if string contains a text substring

stringVariable.includes("Your Text");