“Ereignisdelegation JavaScript” Code-Antworten

Ereignisdelegation JavaScript

Explain event delegation :

“Js event listeners fire not only on a  single DOM element 
but on all its descendents”

The idea is that if we have a lot of elements handled in a 
similar way, then instead of assigning a handler to each of 
them – we put a single handler on their common ancestor.

Glorious Gull

Beispiel für Ereignisdelegation in JavaScript

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

Javasper

Fragen ähnlich wie “Ereignisdelegation JavaScript”

Weitere verwandte Antworten zu “Ereignisdelegation JavaScript” auf JavaScript

Durchsuchen Sie beliebte Code-Antworten nach Sprache

Durchsuchen Sie andere Codesprachen

Shell/Bash

C++

CSS

HTML

Java

JavaScript

Objective-C

PHP

Python

Sql

Swift

Ruby

TypeScript

Kotlin

Assembly

VBA

Scala

Rust

Dart

Elixir

Clojure

Haskell

Matlab

Erlang

Cobol

Fortran

Scheme

Perl

Groovy

Lua

Julia

Delphi

Abap

Lisp

Prolog

Pascal

ActionScript

Basic

Solidity

PowerShell

GDScript

Excel