[PDF] print object type javascript

How to print objects in JavaScript?

function printObject (obj) for (var prop in obj) { if (obj.hasOwnProperty (prop)) { console.log (prop + ": " + obj [prop]); } } You can also get a pretty similar output (but with quotes) by using This will basically print your objects in jason format and will use the last argument (the 2) as the number of separator spaces.

How to print all properties of person object in JavaScript?

First way to print all properties of person object is by using Object.keys () method. In this method we pass the person object to Object.keys () as an argument. This method returns array which can be further iterated using the forEach () method as shown below. for...in loop enumerates properties in the prototype chain as well.

How do I create a JavaScript page?

To dive into Javascript all you need is a simple text-editor and a browser. In windows, you can use notepad under your accessories and Linux and mac users have a similar editor. Simply create a blank HTML page as such… Save the file then in your browser type in the file name you just created to see the results.

What does $ mean in JavaScript?

In recent years a convention has formed around the use of the $ symbol as various libraries like Prototype and JQuery use it to look up a named HTML element. For most purposes if you see $('ssomething') in Javascript you should read that as being document.getElementById('something').