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
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 includes
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// output: true
string.contains javascript
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
alert("Not again");
}
javascript string includes
const s = 'I am going to become a FULL STACK JS Dev with Coderslang';
console.log(s.includes('FULL STACK')); // true
console.log(s.includes('cheeseburger')); // false
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