Answers for "how to check array value in javascript"

javascript check if is array

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

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

js check if is array

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

check if is array javascript

if(Object.prototype.toString.call(someVar) === '[object Array]') {
    alert('Array!');
}