about ajax, javascript, DHTML, CSS, web app, MySQL, PHP, JSP, Java, Oracle and Howtos
One of the goodies in HTML5 is it allows you to use the <canvas></canvas> tag pair to draw or manipulate images on it. But not all browsers support the HTML5 Canvas. To have a canvas displayed on your browser, you can simply have the following HTML code.
Continue reading ‘Use HTML5 Canvas to draw and manipulate images’
If you remember Google Gears, there was a feature (Local Database API) allowing to store data on your local web browser. But since HTML5 has emerged into supporting such a feature, Google has decided to retire its Google Gears.
Continue reading ‘HTML5 allows you to store data on your local web browser’
To print a web or HTML page without getting the usual printer prompt on your Firefox browser, you can make use of the Firefox plugin, JS Print Setup. Installation like usual installation of any Firefox plugins.
Continue reading ‘How to print web page without prompt using JavaScript on Firefox’
ZooTool is an interactive and beautiful visual bookmark tool for images, links, videos and documents. The ZooTool was developed based on the MooTools by Bastian Allgeier.
Continue reading ‘ZooTool – visual bookmarking tool by MooTool(s)’
Uki is a JavaScript library that allows you to develop web applications to have the look and feel and interactiveness of a desktop application. You can get Uki from Ukijs.org.
Continue reading ‘How to develop desktop-like web applications ?’
The Google Chart API provides an easy way to generate a chart dynamically by sending a simple URL to Google Chart service as follows:
http://chart.apis.google.com/chart?cht=p3&chd=t:60,40&chs=250×100&chl=Hello|World
And Google Chart returns you an image of the chart. As shown the above you just need to pass the Google Chart with three parameters, which are cht (Chart Type), chd (The percentage distribution of your data on Chart), chs (Chart size), and the chl (Chart Label)
Continue reading ‘Google Chart API example : Display data on chart made easy’
The Google Gears Geolocation API allows you to display your current position data by obtaining it from your WiFi antenna. The Google Gears Geolocation API is able to obtain the exact location of the user’s current location, in terms of latitude, longitude and even the address etc. User browsers such as Internet Explorer, Firefox must have Google Gears installed excepts Google Chrome, in order to have the Google Gears API to work on your browser.
Continue reading ‘Google Gears Geolocation API, example displays your location on Google Map’
SmashingMagazine has published 70 useful ajax and javascript techniques, it’s a handy resource that I shall explore one by one later. There are many cool animated calendars, timelines, menus, tool tips, sliders built using ajax and javascript techniques.
If you’re asked to build a PHP script that pumps out some data from the database and presents in an HTML table to the users. And on the first row of the table, shows the titles of each field (As pictured above). Once the user clicks on each title the data in the column need to be sorted. If you implement this in a server-side scripting such as PHP, it’ll then need to send the request back to the server to get the server-side PHP script to sort the data by changing the “ORDER BY” in an SQL statement.
Continue reading ‘Sorting data made easy using JavaScript table sorter’
Lets say you have a page that gets a user to click to open a pop-up window to prompt the user for the required action. When the user has completed the required action on the pop-up window, and clicks the button “close”, you want the parent window to be refreshed or reloaded for its content.
Continue reading ‘Javascript: Auto refresh or reload parent window when closing a popup’
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