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Tip of the Day
Language: Cross Browser Issues
Expertise: Beginner
Oct 20, 1999

Refresh Part of a Page

Question:

Is there a way to refresh or redraw part of a screen display using HTML and JavaScript without using frames? I want the top 1/4 of my screen to display constant information and have the bottom 3/4 of the screen be the user-input section, which will refresh or reset the input boxes when all of the displayed boxes have been filled in.

Answer:

If you're trying to alter part of a page, you can do this by creating positioned DIV blocks in the area you want to alter, and using a combination of document.write for Netscape Navigator and innerHTML for Internet Explorer.

For Netscape, you can do something such as:

document.layername.document.write("

new

"); document.layername.document.close();

and for IE:

layername.innerHTML = "

new

";

For both, the contents of this block are replaced:

old

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