isArray js code example

Example 1: if object is array javascript

Array.isArray(object);

Example 2: validate array javascript

Array.isArray([1, 2, 3]);  // true
Array.isArray({foo: 123}); // false
Array.isArray('foobar');   // false
Array.isArray(undefined);  // false

Example 3: javascript check if is array

var colors=["red","green","blue"];

if(Array.isArray(colors)){
    //colors is an array
}

Example 4: js test if array

if(Array.isArray(myVarToTest)) {
	// myVatToTest is an array
} else {
	// myVarToTest is not an array
}

Example 5: in javascript check is is an array or not

Array.isArray(yourItem)

Example 6: js check if array

Array.isArray([1, 2, 3]);	// true
Array.isArray('asdf');		// false