JavaScript Display Possibilities

JavaScript can "display" data in different ways:

• Writing into an HTML element, using innerHTML.
• Writing into the HTML output using document.write().
• Writing into an alert box, using window.alert().
• Writing into the browser console, using console.log().

Using innerHTML

To access an HTML element, JavaScript can use the document.getElementById(id) method.
The id attribute defines the HTML element. The innerHTML property defines the HTML content

Using document.write()

For testing purposes, it is convenient to use document.write():

Using window.alert()

You can use an alert box to display data

Using console.log()

For debugging purposes, you can call the console.log() method in the browser to display data

JavaScript Print

JavaScript does not have any print object or print methods.
You cannot access output devices from JavaScript.
The only exception is that you can call the window.print() method in the browser to print the content of the current window

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