js check if array
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // falsejs check if array
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // falsejs test if array
if(Array.isArray(myVarToTest)) {
// myVatToTest is an array
} else {
// myVarToTest is not an array
}javascript element in array
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var n = fruits.includes("Mango");javascript is int in array
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(1, 2); // false (second parameter is the index position in this array at which to begin searching)check if is array javascript
if(Object.prototype.toString.call(someVar) === '[object Array]') {
alert('Array!');
}Copyright © 2021 Codeinu
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