novacancy.js

April 11, 2025 ยท View on GitHub

novacancy.js is a text neon golden effect jQuery plugin. Now with a pure Vanilla JavaScript version!

Demo

Visit demo site

jQuery Version

Basic Usage

Just use

$('#no').novacancy();

or detail

$('#no').novacancy({
  'reblinkProbability': 0.1,
  'blinkMin': 0.2,
  'blinkMax': 0.6,
  'loopMin': 8,
  'loopMax': 10,
  'color': '#ffffff',
  'glow': ['0 0 80px #ffffff', '0 0 30px #008000', '0 0 6px #0000ff'],
  'off': 1,
  'blink': 1,
  'classOn': 'on',
  'classOff': 'off',
  'element': 'data',
  'autoOn': true
});

Control

$('#no').trigger('blinkOn');

$('#no').trigger('blinkOff');

Vanilla JavaScript Version (No jQuery Required)

Want to use this effect without jQuery? We've got you covered with a pure JavaScript version!

Basic Usage

Just use

initNovacancy('#no', {});

or detail

initNovacancy('#no', {
  'reblinkProbability': 0.1,
  'blinkMin': 0.2,
  'blinkMax': 0.6,
  'loopMin': 8,
  'loopMax': 10,
  'color': '#ffffff',
  'glow': ['0 0 80px #ffffff', '0 0 30px #008000', '0 0 6px #0000ff'],
  'off': 1,
  'blink': 1,
  'classOn': 'on',
  'classOff': 'off',
  'element': 'span', // 'data' is not a valid interactive element, use 'span' instead
  'autoOn': true
});

Control

document.getElementById('no').dispatchEvent(new CustomEvent('blinkOn'));

document.getElementById('no').dispatchEvent(new CustomEvent('blinkOff'));

Additional Methods

The vanilla version returns an array of Novacancy instances, allowing more control:

// Initialize and store instances
const instances = initNovacancy('.neon-text', options);

// Update options after initialization
instances[0].setOptions({
  'color': 'GREEN',
  'glow': ['0 0 80px GREEN', '0 0 30px LIME', '0 0 6px #AAFF00']
});

// Clean up resources when no longer needed
instances[0].destroy();

Parameters

  • reblinkProbability: probability of reblink(0 to 1), Number, optional, default: (1/3)
  • blinkMin: time(sec.) of minimum blink, Number, optional, default: 0.01
  • blinkMax: time(sec.) of maximum blink, Number, optional, default: 0.5
  • loopMin: time(sec.) of minimum trigger blink, Number, optional, default: 0.5
  • loopMax: time(sec.) of maximum trigger blink, Number, optional, default: 2
  • color: colors, String, optional default: 'ORANGE'. set null to disable.
  • glow: array of text-shadow colors, Array, optional, default: ['0 0 80px Orange', '0 0 30px Red', '0 0 6px Yellow']. set null to disable.
  • off: amount of off chars, Number, optional, default: 0
  • blink: amount of blink chars, Number, optional, default: 0, (0 means all chars)
  • classOn: class name of on chars, String, optional default: 'on'
  • classOff: class name of off chars, String, optional default: 'off'
  • element: split content by element, default for jQuery version: data, default for Vanilla version: span
  • autoOn: blink on at start, Boolean, optional, default: true

colors example:

Hexadecimal: '#ffffff'
RGB: 'rgb(255,255,255)'
RGBA: 'rgba(255,255,255,1)'
Text: 'WHITE'

Demo Files

  • demo.html - Original jQuery version demo
  • demo.vanilla.html - Vanilla JavaScript version demo

Files

  • javascript/jquery.novacancy.js - Original jQuery plugin
  • javascript/jquery.novacancy.min.js - Minified jQuery plugin
  • novacancy.vanilla.js - Vanilla JavaScript version (no jQuery required)

License

Copyright (c) 2018 Chuck Chang Licensed under the MIT license

Special Thanks