check string in array of string in js
const names = ["Mario", "Anna", "Jacob"];
console.log(names.includes("Jade")) // Output: False
// It Checks If (Names) Contain's ("Jade") Or Not
console.log(names.includes("Anna")) // Output: True
// It Checks If (Names) Contain's ("Anna") Or Notjavascript array contains
var colors = ["red", "blue", "green"];
var hasRed = colors.includes("red"); //true
var hasYellow = colors.includes("yellow"); //falsejavascript element in array
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var n = fruits.includes("Mango");javascript list include
const array1 = [1, 2, 3];
console.log(array1.includes(2));
// expected output: true
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
// expected output: true
console.log(pets.includes('at'));
// expected output: falsefind string in array javascript
var myarr = ["I", "like", "turtles"];
var arraycontainsturtles = (myarr.indexOf("turtles") > -1);javascript check if in array
var extensions = ["image/jpeg","image/png","image/gif"];
if(extensions.indexOf("myfiletype") === -1){
alert("Image must be .png, .jpg or .gif");
}Copyright © 2021 Codeinu
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