check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //true
check for substring javascript
const string = "javascript";
const substring = "script";
console.log(string.includes(substring)); //true
javascript string contains
var string = "foo",
substring = "oo";
console.log(string.includes(substring));
javascript string contains function
s = "Hello world";
console.log(s.includes("world"));
javascript string contains
var email = "[email protected]";
if(email.includes("@")){
console.log("Email is valid");
}
else{
console.log("Email is not valid");
}
// includes return boolean, if your string found => true else => false
javascript string contains string
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)
javascript includes
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// output: true
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us