contains in string javascript code example
Example 1: check if string contains javascript
var str = "Hello world, welcome to the universe.";
var n = str.includes("world");
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 contains substring
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
Example 5: string.contains javascript
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
Example 6: javascript string includes
const s = 'I am going to become a FULL STACK JS Dev with Coderslang';
console.log(s.includes('FULL STACK'));
console.log(s.includes('cheeseburger'));