Jose Luis Pacheco BoscAn
Jose Luis Pacheco BoscAn
Programming language:Javascript
2021-07-21 11:46:57
0
Q:

includes()

Gimmick
Gimmick
Code: Javascript
2021-01-23 03:31:13 
'Blue Whale'.includes('blue')  // returns false
24
Jeremy Boden
Jeremy Boden
Code: Javascript
2021-05-19 03:22:59 
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)
17
Joel Mathew
Joel Mathew
Code: Javascript
2021-01-23 03:32:24 
const str = 'To be, or not to be, that is the question.' 

console.log(str.includes('To be'))        // true
console.log(str.includes('question'))     // true
console.log(str.includes('nonexistent'))  // false
console.log(str.includes('To be', 1))     // false
console.log(str.includes('TO BE'))        // false
console.log(str.includes(''))             // true
1
Anonymous
Anonymous
Code: Javascript
2021-01-23 03:34:45 
[1, 2, 3].includes(2);     // true
[1, 2, 3].includes(4);     // false
[1, 2, 3].includes(3, 3);  // false
[1, 2, 3].includes(3, -1); // true
[1, 2, NaN].includes(NaN); // true
2
Charles Lu
Charles Lu
Code: Javascript
2021-01-23 03:33:18 
var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
	alert("Not again");
}
6
Ehaan
Ehaan
Code: Javascript
2021-01-23 03:34:04 

var str = "Hello world, welcome to the universe.";

var n = str.includes("world");
12

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