Celebrate Valentine's day on your web site with a dozen hearts follow mouse.

Today in this post, jsB@nk want to present to you a simple JavaScript application made by HTML5; name of this web-based JavaScript game is Asteroid, and tips to play: we just need to use the arrow keys to move your character (triangle-shape spacecraft) to avoid asteroids moving randomly on around.

Especially, this JavaScript Asteroid game is built totally with HTML5 techniques (by using canvas object) - a good JavaScript example code to help us to reach this new technology easily.

Learn more about HTML5 through other JavaScript article tutorials, other JavaScript example codes on the jsB@nk:
- JavaScript Image Rotation script with CANVAS in HTML5
- Awesome Canvas Drawer with HTML5
- HOT New JavaScript APIs with HTML5
- 12 Awesome and Creative JavaScript Games you should try

Smack the gophers on the head as they come out of their holes. Speed and level will increase on every 5th gopher. Game ends when you miss 20 gophers. Use the mouse cursor, not the hammer, to target the gophers(the hammer is just for show). Press any keyboard key to pause the game. Press 'Ok' to start the game.

This JavaScript adds a custom cursor to your webpage using an interchangeable image. The result is a custom mouse cursor that can be modified in anyway your graphic skills take you. Elegant and non intrusive effect!

Script tested in IE6+, Firefox 1.x+, and Opera 8+.

This is an amazing JavaScript calculator script that can be used as a common scientific calculator (with functions of sin, cos, log, power, root, memory). However, this JavaScript calculator code also includes a molecular weight scientific calculator and the tables of many physical and chemical constants.

Besides, this free JavaScript calculator contains a list of historic tasks, storing all the recent inputs and results. This scientific JavaScript form calculator also displays the numbers rounded to a user-specified number of decimal places automatically in SCI mode. A very advanced and professional online JavaScript calculator but easy to implement.

Let's try more HTML JavaScript calculators on jsB@nk:

- Chemistry Calculator
- Advance calculator with helper
- Better Calculator v1.2
- 16 function Scientific Calculator

This is a simple JavaScript to create text follow cursor effect.

Add a quiz to your Web page without using a server-side script. Easy to set-up. Questions and answers are stored in a multi-dimensional array format in an external file. The quiz is marked in real time, and once answered, questions are set to read-only. A summary of the users score is alerted at the end.

This JavaScript creates three colorfull squares follow mouse.

With this JavaScript, you can create a section to show marjor info on your website like popup, but this JavaScript use JavaScript and JavaScript cookie to show popup once. Popup will display in center of window and will scroll, but this popup has a close button for closing it.

You can change your content in div_iPop var.

This floating message-scroller will stay on the righthand bottom-corner of your webpage even if your visitor scrolls down the page.