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JS HTML Events

The onclick Events

Click "Try it" to execute the displayDate() function.

Try it

//onclick button with id="myBtn"
document.getElementById("myBtn").onclick = displayDate;

//onclick function
function displayDate() {
  document.getElementById("demo").innerHTML = Date();
}

• In the example above, a function named displayDate is assigned to an HTML element with the id="myBtn".
• The function will be executed when the button is clicked.
• Repeated clicking the button updates the time.