Internet bookmarklets

(cleanup -- no need to break the JS when you can just wrap it in <pre><nowiki> tags)
 
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Although not widely known, in most browsers you can run javascripts by typing them in the url-bar. This script can then do anything a regular script loaded from a website can. If you bookmark such a script then it is called a bookmarklet.  
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Although not widely known, in most browsers you can run JavaScript code by typing it in the address bar. This script can then do anything a regular script loaded from a website can. If you bookmark such a script then it is called a '''bookmarklet'''.
[http://www.rit.albany.edu/~ew2193/bookmarklets.html Here are some examples]. Just bookmark the links on that page and you're ready to use them.
[http://www.rit.albany.edu/~ew2193/bookmarklets.html Here are some examples]. Just bookmark the links on that page and you're ready to use them.
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These scripts should start with 'javascript:', can only contain one line and function calls should be enclosed with the 'void()' statement, unless they're called from within another function. This bookmarklet for example changes the font and background color of a page:
These scripts should start with 'javascript:', can only contain one line and function calls should be enclosed with the 'void()' statement, unless they're called from within another function. This bookmarklet for example changes the font and background color of a page:
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javascript:void(main());function main(){c('body');c('td');c('div');c('p');}
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<pre><nowiki>
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function c(elname){el=document.getElementsByTagName(elname);
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javascript:void(main());function main(){c('body');c('td');c('div');c('p');}function c(elname){el=document.getElementsByTagName(elname);for(i=0;i<el.length;i++){el[i].style.background='black';el[i].style.color='white';}}
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for(i=0;i<el.length;i++){el[i].style.background='black';el[i].style.color='white';}}
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</nowiki></pre>
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Note: The code has been divided into three lines to fit on the wiki page.
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[[Category:Users]]
[[Category:Users]]
[[Category:Web]]
[[Category:Web]]
[[Category:Power users]]
[[Category:Power users]]

Latest revision as of 20:29, 14 February 2014

Although not widely known, in most browsers you can run JavaScript code by typing it in the address bar. This script can then do anything a regular script loaded from a website can. If you bookmark such a script then it is called a bookmarklet.

Here are some examples. Just bookmark the links on that page and you're ready to use them.

These scripts should start with 'javascript:', can only contain one line and function calls should be enclosed with the 'void()' statement, unless they're called from within another function. This bookmarklet for example changes the font and background color of a page:

javascript:void(main());function main(){c('body');c('td');c('div');c('p');}function c(elname){el=document.getElementsByTagName(elname);for(i=0;i<el.length;i++){el[i].style.background='black';el[i].style.color='white';}}