Month: December 2023

How to encode and decode HTML entities with JavaScript

In JavaScript, decoding and encoding HTML entities is a common task when dealing with user-generated content or manipulating strings. These functions can be used to encode and decode HTML entities as there is no built-in method in JavaScript. It’s essential for securing and properly displaying user input in web applications.

Decode HTML-entities

function decodeHTMLEntities(text) {
  var textArea = document.createElement('textarea');
  textArea.innerHTML = text;
  return textArea.value;
}

Decode HTML-entities (JQuery)

function decodeHTMLEntities(text) {
  return $("<textarea/>")
    .html(text)
    .text();
}

Encode HTML-entities

function encodeHTMLEntities(text) {
  var textArea = document.createElement('textarea');
  textArea.innerText = text;
  return textArea.innerHTML;
}

Encode HTML-entities (JQuery)

function encodeHTMLEntities(text) {
  return $("<textarea/>")
    .text(text)
    .html();
}