Answers for "how to check string contains in javascript"

23

check for substring javascript

const string = "javascript";
const substring = "script";

console.log(string.includes(substring));  //true
Posted by: Guest on July-06-2020
59

javascript string contains

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

console.log(string.includes(substring));
Posted by: Guest on December-21-2019
8

javascript string contains function

s = "Hello world";
console.log(s.includes("world"));
Posted by: Guest on October-06-2020
3

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
Posted by: Guest on June-19-2021
29

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)
Posted by: Guest on July-18-2019
34

javascript includes

const pets = ['cat', 'dog', 'bat'];

console.log(pets.includes('cat'));
// output: true
Posted by: Guest on June-12-2020

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