Alerts

• The alert dialog box displays the message given to it.
• Only an OK response is allowed to the user.
• The script and HTML document halts execution until the user chooses the OK button.
• The phrase "JavaScript Alert" is included in the dialog box to let the user know what caused the alert.

Some uses

• Insufficient information provided in a form.
• Incorrect data entered
• Invalid result
• Service that is unavailable

Add the following line to your program at the start.

alert("Just Learning JavaScript, Please Be Patient");

Run the program.

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