if object is array javascript
Array.isArray(object);Javascript is object array
var colors=["red","green","blue"];
if(Array.isArray(colors)){
//colors is an array
}js check if array
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // falsejavascript test if it is an array
// If you want to test if a variable (object) is an instance of
// an array. You can use the Array.isArray(varName) method
// this method takes one argument, the variable or object you want to test
// and returns true, if the argument is an array
// or false, if the argument is not an array
if (Array.isArray(object)) {
// is true
} else {
// is false
}
Array.isArray([1, 2, 3, 4]); // Returns true
Array.isArray(4); // returns false
// this could be used for flattening an array of arrayshow to check if array
// Check if something is an Array
// just like you do with "typeof"
Array.isArray([1, 2, 3]); // true
Array.isArray('asdf'); // falsehow to check if an object is in an array javascript
//We will make a search box kind of thing. It will ask the user to enter a fruit and we will make a list fruits. If the user input is in list, then print you win
//Make a list for fruits
var FRUITS = ["Apple","Bananna","Mango","Kiwi"];
//User input
var User_Input = prompt("Enter a fruit");
//Variable to check if user_input is in fruit
var UserInFruit = FRUITS.contains(User_Input);
//If staatement
if (UserInFruit = true){
print("You win")
}Copyright © 2021 Codeinu
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