JAVASCRIPT

javascript string contains

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

console.log(string.includes(substring));

javascript string includes

'Blue Whale'.includes('blue')  // returns false

js string contains

'Bandeira do Brasil'.includes('brasil'); // returns false
'Bandeira do Brasil'.includes('Brasil'); // returns true

javascript string contains function

s = "Hello world";
console.log(s.includes("world"));

contains() js

const ParticipantsOfArtExhibition = [
	"Jhon",
  	"Amy",
  	"Liam"
]

ParticipantsOfArtExhibition.includes("Jhon") //true
ParticipantsOfArtExhibition.includes("Thompson") //false
ParticipantsOfArtExhibition.includes("Amy") //true

javascript string contains

var email = "grepper@gmail.com";
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

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

string contains javascript

const s1 = 'javascript';
const s2 = 'python';

console.log(s1.includes('script')); // true
console.log(s2.includes('script')); // false

javascript string contains

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

console.log(string.includes(substring));

javascript string.includes

Array.includes(foo)
String.contains(bar)

javascript string contains

// javascript string contains
var string = "foo",
    substring = "oo";

console.log(string.includes(substring));
// javascript string contains
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
	alert("Not again");
}
// javascript string contains
var email = "grepper@gmail.com";
if(email.includes("@")){
  console.log("Email is valid");
}
else{
  console.log("Email is not valid");
}
// javascript string contains
const ParticipantsOfArtExhibition = [
	"Jhon",
  	"Amy",
  	"Liam"
]

ParticipantsOfArtExhibition.includes("Jhon") //true
ParticipantsOfArtExhibition.includes("Thompson") //false
ParticipantsOfArtExhibition.includes("Amy") //true

String contains in javascript

let text = "Hello world, welcome to the universe.";
let result = text.includes("world"); // return boolean value

javascript string contains

function longestString() {
 var longest = ' ';
for (var i=0; i < arguments.length; i++) {
  if(arguments[i].length > longest.length) {
    longest = arguments[i];
  }
}
return longest;
 

}

console.log(longestString("asda", "asdasdasd", "12311","akjsdgkjagsdkjagkjdgkajsgdkjas"));

string contains js

var str = "foobar"
var regex = /foo/g;
if (str.search(regex) !== -1) {
  alert("string conains foo!")
}

javascript string contains

const string = "foo",
 const substring = "oo";
  console.log(string.includes(substring));

js string contains

let example = "Example String!";
let ourSubstring = "Example";

if (example.indexOf(ourSubstring) != 0) {
	console.log("The word Example is in the string.");
} else {
	console.log("The word Example is not in the string.");
}

js string contains

let example = "Example String!";
let ourSubstring = "Example";

if (str.includes(ourSubstring, 7)) {
	console.log("The word Example is in the string.");
} else {
	console.log("The word Example is not in the string");
}

js string contains

let str = "Example String!";

/Example/.test(str);