How to Get Image Dimensions (Width & Height) with Javascript
Width and height of an image can be found using the "naturalWidth" and "naturalHeight" properties of the image DOM element.
Creating a Full Height Page with Fixed Sidebar and Scrollable Content Area
Webpages with a fixed sidebar and a scrollable content area are quite popular. The page expands to 100% height of the screen. Depending upon the height, both the sidebar and content may have scrollbars.
Javascript - Downloading Files with AJAX and Showing a Progess Bar
Currently most of the web applications show a normal link for the user to download a file. However it is also possible to download a file using a Javascript AJAX request.
Pure Javascript - AJAX File Uploading and Showing Progess Percentage
This tutorial shows how to upload a file using Javascript. It includes everything that is involved - from selecting a file, validating its type and size, sending an AJAX request and showing the upload progress of the file.
Verifying Paypal IDs by Implementing Login with Paypal (using PHP)
While asking a user for his Paypal account, it is better to verify it. This can be done by implementing Login with Paypal, and getting the verified ID via API calls.
Changing Size of Iframe Automatically to Fit Content
You can inform the parent about the changed size of the iframe page by passing messages from the iframe to the parent. This is helpful in preventing scrollbars from coming up.
Tracking Downloads with Google Analytics using Custom Events
Track downloads happening on your website using Google Analytics, and a bit of Javascript. See the analytics data in the Google Analytics dashboard.
Setting HTTP Headers in a Beacon Request
The Beacon API extracts the type of the transmitted data, and sets this as the Content-Type for the HTTP request.
Sending AJAX Data when User Moves Away / Exits from Page
It is sometimes required that your application sends an AJAX to the server before the user moves away from the page (goes to another page, reloads the page, closes the browser etc). The tutorial explains how to do this.
Creating a Page with Sidebar and Main Content Area using HTML & CSS
Popularly used in admin pages, a page with a left sidebar to hold menu options, and a section to hold the main content is one simple design that looks good.
How to Create, Update & Delete Spreadsheet with Google Sheets API using PHP
This tutorial explains how to create, update & delete a Google spreadsheet using Sheets API and PHP
How to Handle CSS in Browser Full-Screen Mode
When an element goes to full-screen , you can change the user interface by changing CSS properties. Tutorial handles all the cases that can possibly come.
How to Update and Delete an Event with Google Calendar API using PHP
Updating and deleting an event with Google Calendar API. Contains a demo.
PDF Viewer Plugin - Embed PDF Documents in Wordpress
PDF Viewer is a Wordpress plugin to embed PDF files in your Wordpress website. You can download it for free.
How to Detect Browser Language with Javascript
Using navigator.language property, you can detect browser language with Javascript.
Google Login with Javascript API
You can implementing "Login with Google" feature using only Javascript, using the Google SDK. This tutorial shows how to get a user to login with Google, and get his profile information.
Implementing 'Read More - Read Less' in Javascript
A good way to reduce a long text to a shorter one is by implementing "Read More - Read Less" functionality with Javascript.
Google Places Reviews - Javascript Plugin
Google Places Reviews is a Javascript / jQuery plugin for displaying Google reviews of a location on a website.
PDF Viewer - Javascript Plugin to Embed PDF Documents
PDF Viewer is a Javascript plugin for embedding PDF files in web pages and applications. The plugin does not require jQuery, and allows any number of PDF files to be embedded in a page.
Google Refresh Tokens : Answers to Some Common Questions
This article contains answers to common questions and confusions related to Google refresh tokens.