var head = initiativeblog.commentsByTagName('head').item(0); var.">
Download demo project - 1. Now with the rise in popularity of AJAX style development, it has suddenly become a hot new technology. Unfortunately, the most commonly used browser on the market is painfully slow at one of the most common tasks in programming -- string concatenation.
Maybe you'd like to replace the text in a paragraph to reflect what a visitor has just selected from a drop down box. By manipulating an element's innerHtml you'll be able to change your text and HTML as much as you like. By changing an element's innerHTML after some user interaction, you can make much more interactive pages.
However, using innerHTML requires some preparation if you want to be able to use it easily and reliably. First, you must give the element you wish to change an id.
With that id in place you will be able to use the getElementById function, which works on all browsers. After you have that set up you can now manipulate the text of an element. To start off, let's try changing the text inside a bold tag. Welcome to the site dude You now know how to change the text in any HTML element, but what about changing the text in an element based on user input?
Well, if we combine the above knowledge with a text input Updating Text Based on User Input By adding a Text Inputwe can take to updating our bold text with whatever the user types into the text input. We updated the function a bit and set the id to boldStuff2.
Let's say we didn't like the text that was displayed in our paragraph and wanted to updated it with some color. The following code will take the old black text and make it bright white. The only thing we're doing different here is inserting the html element span to change the color.
All we did was take the old text that was in the paragraph tag and surround it in a span tag to change the color.
However, there are many more things you can do by changing an element's HTML, so don't forget this useful tool!However, even with the DOM script in the body, IE (7 and less) will have problems appending to some elements.
Because Google AdSense depends on. [ UTC] justin dot maxwell at tibit dot com I have just seen that I copy-pasted the actual and expected output into the opposite/wrong boxes in the initial report.
initiativeblog.com | Email:info at initiativeblog.com | © Demo Source and Support. All rights reserved. Warning! This is the free online version of the DOM Enlightenment book in its pre-edited/draft form.