Alternative JavaScript usage: bookmarklet (bookmarklet)

In fact IE There is no such statement as "bookmarks ". Firefox In IE, it is called "favorites ".
We can use these bookmarks to implement many practical and interesting functions.
For example, if you do not like the color settings of the current page, you can change the color on your own.
The effect is as follows:

To restore it, refresh the page.

The procedure is as follows (for example, IE6 is slightly different from other browsers ):
1.Add a page to favorites.
2.Select this favorites, right-click its properties (U), Enter the following JSCode:Javascript:Void(Document. bgcolor='Green');

Click OK. The following prompt is displayed:

Select OK , Bookmark creation OK!
Open the Baidu homepage and click the custom bookmarks in the favorites folder to see if the background color of the page is your favorite.
If your JS technology is high enough, you can define many functions by yourself. You can play games or make similar small calculators, unit conversion, online dictionaries, etc. Give full play
The following are some useful bookmarks.
1. Web Security Color Table Javascript: VaR I, J, K, L, t = ' <Table width = 100%> ' , C = New Array ( ' 00 ' , ' 33 ' , ' 66 ' , ' 99 ' , ' CC ' , ' FF ' ); For (I = 0 ; I < 6 ; I ++ ){ For (J = 0 ; J < 6 ; J ++ ) {T + =   ' <Tr> ' ; For (K = 0 ; K < 6 ; K ++ ) {L = C [I] + C [J] + C [k]; t + = ' <TD bgcolor = # ' + L + ' > ' + L + ' </TD> ' } T + ' </Tr> ' }} Void (Document. Body. innerhtml = T + ' </Table> ' );

2. Change the font color of the current page

Javascript: If (Frames. Length < 1 ){ Void (Document. fgcolor = Prompt ( ' Change to which text color? ' , '' ))} Else {Alert ( ' Page has frames .! ' )}

3. Verify the current pageJavascript:Void(Window. Open ('Http://validator.w3.org/check? Uri ='+Window. Location. href,'','Width = 700, Height = 800, status = Yes, resizable = Yes, scrollbars = Yes, location = Yes'));

In addition, we recommend a website,
Www.bookmarklets.com. Various bookmarks are provided here and can be obtained directly from there. If you like a bookmark, you can right-click it to add it to favorites.