javascript detect if object is date
var myDate=new Date();
if(myDate instanceof Date){
//im a hot Date
}javascript detect if object is date
var myDate=new Date();
if(myDate instanceof Date){
//im a hot Date
}javascript detect if object is date
//checks if is object, null val returns false
function isObject(val) {
if (val === null) { return false;}
return ( (typeof val === 'function') || (typeof val === 'object') );
}
var person = {"name":"Boby Snark"};
isObject(person);//trueinstanceof
function Phone(serial, price, color){
this.serial = serial;
this.price = price;
this.color = color;
}
let phone1 = new Phone('abc1', 200, 'red');
let phone2 = new Phone('abc2', 400, 'green');
//instanceof
console.log(phone1 instanceof Phone) // true
//constructor
console.log(phone1.constructor === Phone) //trueCopyright © 2021 Codeinu
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