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event delegation in javascript

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Zubair khan answered on June 8, 2022 Popularity 10/10 Helpfulness 4/10

answer event delegation in javascript

related Event Delegation Example In JavaScript

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event delegation in javascript

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Event Delegation is basically a pattern to handle events efficiently. Instead of adding an event listener to each and every similar element, we can add an event listener to a parent element and call an event on a particular target using the .target property of the event object.

Popularity 10/10 Helpfulness 4/10 Language javascript

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Contributed on Aug 17 2022

Zubair khan

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Event Delegation Example In JavaScript

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	selector = ".buttonClass";
document.getElementById('buttons').addEventListener('click', event => { // Step 2
      if (event.target.matches(selector)) {
        console.log('Click!');
      }
    })

Popularity 10/10 Helpfulness 2/10 Language javascript

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Contributed on Jun 08 2022

Javasper

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event delegation in javascript

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//Event delegation is a technique for listening to events where you delegate a parent element as the listener for all of the events that happen inside it.

//For example, if you wanted to detect field changes in inside a specific form, you can use event delegation technique,

var form = document.querySelector("#registration-form");

// Listen for changes to fields inside the form
form.addEventListener(
  "input",
  function (event) {
    // Log the field that was changed
    console.log(event.target);
  },
  false
);

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Contributed on Nov 22 2022

Amjad Saeed

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event delegation in javascript

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Event Delegation Example In JavaScript

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