check array js code example

Example 1: javascript check if is array

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

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

Example 2: javascript typeof array

Array.isArray(arr)

Example 3: js test if array

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

Example 4: js check if array

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

Example 5: js check if is array

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