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How to stop event propagation with inline onclick attribute in JavaScript ?

  • Last Updated : 06 Nov, 2019
Geek Week

Use HTML DOM stopPropagation() method to stop the event from propagating with inline onclick attribute which is described below:

HTML DOM stopPropagation() Event Method: The stopPropagation() method is used to stop propagation of event calling i.e. the parent event is called we can stop the propagation of calling its children by using the stopPropagation() method and vice-versa.

Syntax:

event.stopPropagation()

Example 1: This example stops the event propagation by adding stopPropagation method on onclick the <span> element.




<!DOCTYPE HTML> 
<html
    <head
        <title
            How to stop event propagation with
            inline onclick attribute
        </title>
          
        <style>
            div {
                background: green;
            }
            span {
                background: red;
                color: white;
            }
        </style>
    </head
      
    <body style = "text-align:center;"
      
        <h1 style = "color:green;"
            GeeksForGeeks 
        </h1
          
        <div onclick= "alert('you clicked the div')">
            <span onclick= "event.stopPropagation(); 
            alert('you clicked Span element(inside the div)');">
                Span Content
            </span>
        </div>
    </body
</html>                    

Output:



  • Before clicking on the element:
  • After clicking on the <span> element:

Example 2: This example stops the event propagation by adding stopPropagation() method on onclick to the <span> element. This example handles the Internet Explorer case by setting window.event.cancelBubble to true.




<!DOCTYPE HTML> 
<html
    <head
        <title
            How to stop event propagation with
            inline onclick attribute
        </title>
          
        <style>
            div {
                background: green;
            }
            span {
                background: red;
                color: white;
            }
        </style>
    </head
      
    <body style = "text-align:center;"
      
        <h1 style = "color:green;"
            GeeksForGeeks 
        </h1
          
        <div onclick= "alert('you clicked the div')">
            <span onclick= "StopEventPropagation(event);
            alert('you clicked Span element(inside the div)');">
                Span Content
            </span>
        </div>
          
        <br>
        <script>
            function StopEventPropagation(event) {
                if (event.stopPropagation) {
                    event.stopPropagation();
                }
                else if(window.event) {
                    window.event.cancelBubble=true;
                }
            }     
        </script
    </body
</html>                    

Output:

  • Before clicking on the element:
  • After clicking on the <span> element:

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