JavaScript — How to make an input pop up box

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How to Make An Input Pop Up Box in JS

Use the prompt() method.

The Window.prompt() displays a dialog with an optional message prompting the user to input some text.

What is prompt()

• displays a dialog box for the user input
• can be used for the user to input a value before entering a page
• returns the input value if the user clicks “OK”
• returns null if the user clicks “CANCEL”

What to keep in mind when using prompt()

• user will have to click “OK” or “CANCEL” to proceed after entering an input value
• overuse prevents the user from accessing other parts of the page until the box is closed!