JavaScript Dev

JavaScript Dev

1612300200

Countdown Timer Plugin With Pure JavaScript

TimezZ

With this plugin, you can easily make a stopwatch or timer on your site. Just init, style and enjoy.

Features

  • Typescript support
  • Support all environments
  • Easy customization
  • Simple and lightweight

Demo

Demo

Quick start

Install

We support all platforms.

npm

For module bundlers such as Webpack or Browserify.

npm i timezz
Include with <script>

Download and install with script.

<script src="timezz.min.js"></script>

CDN

Recommended for learning purposes, you can use the latest version:

<script src="https://cdn.jsdelivr.net/npm/timezz/dist/timezz.min.js"></script>

Recommended for production for avoiding unexpected breakage from newer versions:

<script src="https://cdn.jsdelivr.net/npm/timezz@6.1.0/dist/timezz.min.js"></script>

For native ES Modules, there is also an ES Modules compatible build:

<script type="module">
  import timezz from 'https://cdn.jsdelivr.net/npm/timezz@6.1.0/dist/timezz.min.js';
</script>

HTML

Here is a base HTML markup for your timer/stopwatch. Main part of HTML are data attributes for render numbers of years, days, hours, minutes, seconds.

<div class="timer">
  Years: <div data-years></div> <!-- Works only with parameter `withYears: true` -->
  Days: <div data-days></div>
  Hours: <div data-hours></div>
  Minutes: <div data-minutes></div>
  Seconds: <div data-seconds></div>
</div>

Initialization

ES6

TimezZ as an ES6 module.

import timezz from 'timezz';

timezz('.timer', {
  date: new Date(),
});
Node

TimezZ as a Node.js module

const timezz = require('timezz');

timezz('.timer', {
  date: new Date(),
});
Browser

Exports a global variable called timezz. Use it like this

<script>
  timezz('.timer', {
    date: new Date(),
  });
</script>
AMD

TimezZ as an AMD module. Use with Require.js, System.js, and so on.

requirejs(['timezz'], function(timezz) {
  timezz('.timer', {
    date: new Date(),
  });
});

Parameters

Full config with filled params:

timezz('.timer', {
  date: new Date(),
  stop: false,
  canContinue: true,
  withYears: false,
  beforeCreate() {},
  beforeDestroy() {},
  update(event) {},
});

selector

Note: if your DOM elements will be removed or replaced, need to call updateElements method.

  • type: string | HTMLElement | Array<HTMLElement>
  • required true
// String
timezz('.timer');

// HTMLElement
timezz(document.querySelector('.timer'));

// Array of HTMLElements
timezz(document.querySelectorAll('.timer'));

date

Date from and to which you want to count.

  • type: Date | string | number
  • required true
// Date instance
new Date('1996-05-27 03:15');

// String
'1996-05-27 03:15'

// Timestamp
833156100000

stop

Is the timer stopped?

  • type: boolean
  • default: false
  • required false

Can update after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.stop = true;

canContinue

Can TimezZ continue after end of date point?

  • type: boolean
  • default: false
  • required false

Can update after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.canContinue = true;

withYears

Note: if the property is enabled, the days will be counted differently.

Do you want to count the years?

  • type: boolean
  • default: false
  • required false

Can update after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.withYears = true;

beforeCreate

The function will be called before initialization.

  • type: function
  • default: undefined
  • required false

Can set after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.beforeCreate = function() {}

beforeDestroy

The function will be called before destroy.

  • type: function
  • default: undefined
  • required false

Can set after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.beforeDestroy = function() {}

update

The function will be called on each second with an event.

  • type: function
  • default: undefined
  • required false

Here is event object which be send on each second.

{
  days: number;
  hours: number;
  minutes: number;
  seconds: number;
  distance: number;
  isTimeOver: boolean;
}

Can set after initialization.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.update = function(event) {}

API

destroy

const timer = timezz('.timer', {
  date: new Date(),
});

timer.destroy();

init

After destroy you can init instance again.

const timer = timezz('.timer', {
  date: new Date(),
});

timer.destroy();

setTimeout(() => {
  timer.init();
}, 1000);

updateElements

If your elements were removed or replaced, you can update elements in your timezz.

const timer = timezz('.timer', {
  date: new Date(),
});

// String
timer.updateElements('.timer');

// HTMLElement
timer.updateElements(document.querySelector('.timer'));

// Array of HTMLElements
timer.updateElements(document.querySelectorAll('.timer'));

Interfaces

IUpdateEvent

import { IUpdateEvent } from 'timezz';

The interface will be sent on each call of the update method.

interface IUpdateEvent {
  years: number;
  days: number;
  hours: number;
  minutes: number;
  seconds: number;
  distance: number;
  isTimeOver: boolean;
}

Download Details:

Author: BrooonS

Demo: https://codesandbox.io/s/nervous-flower-v1fkb

Source Code: https://github.com/BrooonS/TimezZ

#javascript

What is GEEK

Buddha Community

Countdown Timer Plugin With Pure JavaScript

Rahul Jangid

1622207074

What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

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In JavaScript, ‘document.write‘ is used to represent a string on a browser.

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How To Customize WordPress Plugins? (4 Easy Ways To Do)

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WordPress needs no introduction. It has been in the world for quite a long time. And up till now, it has given a tough fight to leading web development technology. The main reason behind its remarkable success is, it is highly customizable and also SEO-friendly. Other benefits include open-source technology, security, user-friendliness, and the thousands of free plugins it offers.

Talking of WordPress plugins, are a piece of software that enables you to add more features to the website. They are easy to integrate into your website and don’t hamper the performance of the site. WordPress, as a leading technology, has to offer many out-of-the-box plugins.

However, not always the WordPress would be able to meet your all needs. Hence you have to customize the WordPress plugin to provide you the functionality you wished. WordPress Plugins are easy to install and customize. You don’t have to build the solution from scratch and that’s one of the reasons why small and medium-sized businesses love it. It doesn’t need a hefty investment or the hiring of an in-house development team. You can use the core functionality of the plugin and expand it as your like.

In this blog, we would be talking in-depth about plugins and how to customize WordPress plugins to improve the functionality of your web applications.

What Is The Working Of The WordPress Plugins?

Developing your own plugin requires you to have some knowledge of the way they work. It ensures the better functioning of the customized plugins and avoids any mistakes that can hamper the experience on your site.

1. Hooks

Plugins operate primarily using hooks. As a hook attaches you to something, the same way a feature or functionality is hooked to your website. The piece of code interacts with the other components present on the website. There are two types of hooks: a. Action and b. Filter.

A. Action

If you want something to happen at a particular time, you need to use a WordPress “action” hook. With actions, you can add, change and improve the functionality of your plugin. It allows you to attach a new action that can be triggered by your users on the website.

There are several predefined actions available on WordPress, custom WordPress plugin development also allows you to develop your own action. This way you can make your plugin function as your want. It also allows you to set values for which the hook function. The add_ action function will then connect that function to a specific action.

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They are the type of hooks that are accepted to a single variable or a series of variables. It sends them back after they have modified it. It allows you to change the content displayed to the user.

You can add the filter on your website with the apply_filter function, then you can define the filter under the function. To add a filter hook on the website, you have to add the $tag (the filter name) and $value (the filtered value or variable), this allows the hook to work. Also, you can add extra function values under $var.

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Shortcodes are a good way to create and display the custom functionality of your website to visitors. They are client-side bits of code. They can be placed in the posts and pages like in the menu and widgets, etc.

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3. Widgets

Other than the hooks and shortcodes, you can use the widgets to add functionality to the site. WordPress Widgets are a good way to create a widget by extending the WP_Widget class. They render a user-friendly experience, as they have an object-oriented design approach and the functions and values are stored in a single entity.

How To Customize WordPress Plugins?

There are various methods to customize the WordPress plugins. Depending on your need, and the degree of customization you wish to make in the plugin, choose the right option for you. Also, don’t forget to keep in mind that it requires a little bit of technical knowledge too. So find an expert WordPress plugin development company in case you lack the knowledge to do it by yourself.

1. Hire A Plugin Developer3
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One of the best ways to customize a WordPress plugin is by hiring a plugin developer. There are many plugin developers listed in the WordPress directory. You can contact them and collaborate with world-class WordPress developers. It is quite easy to find a WordPress plugin developer.

Since it is not much work and doesn’t pay well or for the long term a lot of developers would be unwilling to collaborate but, you will eventually find people.

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If you are looking for added functionality in an already existing plugin go for this option. It is a cheap way to meet your needs and creating a supporting plugin takes very little time as it has very limited needs. Furthermore, you can extend a plugin to a current feature set without altering its base code.

However, to do so, you have to hire a WordPress developer as it also requires some technical knowledge.

3. Use Custom Hooks

Use the WordPress hooks to integrate some other feature into an existing plugin. You can add an action or a filter as per your need and improve the functionality of the website.

If the plugin you want to customize has the hook, you don’t have to do much to customize it. You can write your own plugin that works with these hooks. This way you don’t have to build a WordPress plugin right from scratch. If the hook is not present in the plugin code, you can contact a WordPress developer or write the code yourself. It may take some time, but it works.

Once the hook is added, you just have to manually patch each one upon the release of the new plugin update.

4. Override Callbacks

The last way to customize WordPress plugins is by override callbacks. You can alter the core functionality of the WordPress plugin with this method. You can completely change the way it functions with your website. It is a way to completely transform the plugin. By adding your own custom callbacks, you can create the exact functionality you desire.

We suggest you go for a web developer proficient in WordPress as this requires a good amount of technical knowledge and the working of a plugin.

Read More

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