JavaScript onclick Event
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JavaScript onclick Event
The onclick event occurs when the user clicks on an element.
onclick Event as Attribute
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p onclick="myFunction()">Click this paragraph</p>
<script>
function myFunction(){
document.write("You clicked");
}
</script>
</body>
</html>
Syntax
As Attribute
<element onclick = "JavaScript">
As Property
object.onclick = function(){
// code
};
Using Event Listener
object.addEventListener("click" , myScript);
onclick Event as Property
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p>Click anywhere in this example.</p>
<p id="point"></p>
<script>
var x = document.getElementById("point");
document.onclick = findAxis;
function findAxis(e) {
x.textContent = "Position ("+e.clientX+", "+e.clientY+")";
}
</script>
</body>
</html>
Using addEventListener() Method
Note: The addEventListener() method is not supported in Internet Explorer 8 and below.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p>Click on the button to alert.</p>
<button>Click Me</button>
<script>
var x = document.getElementsByTagName("button")[0];
function myFunction(){
alert("You clicked the button");
}
x.addEventListener("click", myFunction);
</script>
</body>
</html>
click Event with this Keyword
In the following example, this keyword is used to find the specific element to which the event (click) occurred.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<h3 onclick="myFunction(this)">Click this heading</h3>
<p onclick="myFunction(this)">Click this paragraph</p>
<script>
function myFunction(elmnt){
elmnt.style.display = "none";
}
</script>
</body>
</html>
click Event with JavaScript as Value
Note: You can use any JavaScript in the HTML attribute value.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p onclick="alert(new Date())">Click to Display time</p>
</body>
</html>
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