How to differentiate on click handler?
How to differentiate on click handler?
701
03-Apr-2021
Updated on 20-Feb-2025
Khushi Singh
20-Feb-2025An
onClickhandler functions in web development to perform specified actions when someone clicks any element. When multiple web page elements require distinct click response functions it becomes necessary to make separate handlers for each event. Three methods exist to set these functions apart:1. Using Event Targeting
The event data includes information about the targeted element. Using the target element’s properties including ID class or type allows you to recognize which element was clicked therefore triggering the correct function.
2. Assigning Unique Identifiers
Every clickable component can obtain one-of-a-kind identification through either an ID declaration or class designation. The system can check the identifier after the onClick event occurs to execute the correct function.
3. Using Data Attributes
Elements can obtain data attributes from data-action or data-type and similar types. Each event listener can understand these attributes to launch the correct action after a click event occurs thus streamlining dynamic click event control.
4. Grouping Elements Based on Parent Containers
A parent container should receive an
onClickevent when dealing with organized items listed as lists alongside cards alongside menus. The approach enables separating clicks through the identification of clicked child elements thus eliminating the need to add multiple listener applications.5. Event Delegation for Dynamic Elements
It proves to be inefficient for developers to add
onClickhandlers directly to newly generated elements. The process of event delegation applies one event handler to a parent element that identifies what occurred based on which specific child element initiated the event.Multiple
onClickevents can be handled through these strategies which ensure correct execution of all actions in web applications.