onAbort JavaScript (JS) Example: HTML DOM Objects – Event – onAbort JavaScript (JS) Example
onAbort JavaScript (JS) Example: HTML DOM Objects – Event – onAbort JavaScript (JS) Example
Purpose: – Illustrates the JavaScript syntax for the Event onAbort .
Prerequistes:
- Install Visual Web Developer 2008
Syntax: ImageObject.onAbort=”yourjavascriptcode()” – Allows you to know when user has stopped the loading of an image by: 1. clicking link; 2. clicking browser stop button; 3. navigating to new page.
Restrictions: None
Notes:
- You can build your own library of syntax examples by using same web site over and over and just add new files to it.
Instructions:
- Use Visual Web Developer 2008
- Create new web site;
- Click File/New Web Site
- Select ASP.NET Website Template
- Select C-Sharp for language
- name of Web Site could be JavaScript_Syntax.
- Add New folder named “HTMLDOMObjects”
- Right-click project name in solution explorer;
- add new folder;
- name of folder should be: HTMLDOMObjects
- Add New subfolder to “HTMLDOMObjects” folder named “DOMEvent”
- Right-click folder named “HTMLDOMObjects” in solution explorer;
- add new folder;
- name of folder should be: DOMEvent
- Add New subfolder to “DOMEvent” subfolder named “EventHandlers”
- Right-click subfolder named “DOMEvent” in solution explorer;
- add new folder;
- name of folder should be: EventHandlers
- Add HTML Page Named onAbort to EventHandlers subfolder
- Right-click EventHandlers subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be onAbort
- Click on copy code in code below to copy code into HTML Page onAbort.htm
- Right-click on HTML page onAbort.htm and select view in browser
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>IdealProgrammer.com: onAbort </title> <!-- *************************************************** * This example is from http://idealprogrammer.com * *************************************************** //***************************************************** // DOM Objects //***************************************************** //***************************************************** // *** DOM Event - EventHandlers *** //***************************************************** //***************************************************** // onAbort //***************************************************** // SYNTAX: // object.onAbort="yourjavascriptcode()" Allows you to know when user has // stopped the loading of an image by: // * Click an anchor. // * Click the browser Stop button. // * Navigate to another page. --> <script type="text/javascript"> function abortImage() { alert('Error: Loading of the image was aborted'); } </script> </head> <body id="myBodyID"> <div style="background-color:Yellow;border-color:black;border-style:solid;border-width:1px;"> To see abort message, do one of the following while image is loading:<br /><br /> 1. Click the browser stop button,<br /> 2. Click link on page, or <br /> 3. Quickly navigate to new page<br /><br /> If image is already loaded, use internet options to delete temporary internet files and refresh page. That will remove image from cache so it will not load too fast next time.</div><br /><br /> <a href="http://idealprogrammer.com">IdealProgrammer - click while image is loading</a><br /> <img src="http://graphics.stanford.edu/~mcammara/wtc-photo.jpg" onabort="abortImage()"/> </body> </html> |