The MouseEvent button property is used to define the left or right-click events. When the mouse button is clicked then it returns an integer value which describes the left, right, or middle mouse button. Syntax:
event.button
Return Value: This event returns an integer value on mouse click events are:
- 0: It indicates the left mouse button.
- 1: It indicates the middle mouse button.
- 2: It indicates the right mouse button.
The onmousedown event: This event occurs when a user presses a mouse button over an element.
Example 1:
HTML
<h1 style="color:green"> neveropen </h1> <h2>Mouse click event</h2> <button onclick="click(event)">Click me</button> <p id="demo"></p> <script> document.onmousedown = click // click function called function click(event) { // Condition to disable left click if (event.button == 0) { document.getElementById("demo").innerHTML= "Left click not allowed" } } </script> |
Output:
JavaScript MouseEvent Button Property
Example 2:
HTML
<h1 style="color:green"> neveropen </h1> <h2>Mouse click event</h2> <button onclick="click(event)">Click me</button> <p id="demo"></p> <script> document.onmousedown = click // click function called function click(event) { // Condition to disable left click if (event.button == 2) { document.getElementById("demo") .innerHTML = "Right click not allowed"; } } </script> |
Output:
JavaScript MouseEvent Button Property
We have a complete list of Mouse Events, to check those please go through this HTML DOM MouseEvent article
