JavaScript Output

JavaScript can be displayed data using the following methods or ways:

innerHTML
document.write()
window.alert()
console.log()
window.print()

innerHTML

It uses the document.getElementById(id) method together with the innerHTML to display content for that HTML; that has the specific id attribute value.

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document.write()

This JavaScript method of outputting data is often used for testing purposes.

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NOTE:

Do not use document.write() after the HTML document is loaded; it will delete all existing HTML contents.

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window.alert()

This method is used to display a pop-up alert box containing some data.

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TIP:

The window keyword can be skipped in window.alert() to become just alert(). The reason is because the window object is a global scope object.

console.log()

This JavaScript method of outputting data is used for debugging purposes.

To open your console from your browser, Press F12 then select console

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window.print()

This JavaScript method use to print the current data in that page.

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BASIC

JavaScript Output

innerHTML

document.write()

window.alert()

console.log()

window.print()

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