javascript.contains code example
Example 1: check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring));
Example 2: javascript string contains function
s = "Hello world";
console.log(s.includes("world"));
Example 3: string contains in javascript
const string = "foo";
const substring = "oo";
console.log(string.includes(substring));
Example 4: javascript contains substring
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}