js contain string code example
Example 1: check for substring javascript
const string = "javascript";
const substring = "script";
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 string contains
var string = "foo",
substring = "oo";
console.log(string.includes(substring));
Example 4: javascript string contains function
s = "Hello world";
console.log(s.includes("world"));
Example 5: javascript string includes
'Blue Whale'.includes('blue')
Example 6: string.contains javascript
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}