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Dynamic Deep-Linking and Highlighting
JavaScript HTML
Branch: master
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demo Added more sample text. Added links. Removed jQuery
js Stripped out jQuery Updated querySelector params
package.json Added NPM


Now with 100% less jQuery.

Emphasis provides dynamic paragraph-specific anchor links and the ability to highlight text in a document, all of which is made available in the URL hash so it can be emailed, bookmarked, or shared.

For more information and examples please go to this blog post:


The main configuration element is specifying what paragraph elements are in scope and are not. To this end we specify the elements on or near Line 54:

this.paraSelctors = document.querySelectorAll('#article p');

This covers a lot of common markup in many sites and blog. However this could be configured for your specific site.

Example: If all your P tags reside in DIV tags with the "entry" classname, then this would be sufficient:

this.paraSelctors = document.querySelectorAll(".entry p");

Over at The New York Times, we'd use the following:

this.paraSelctors = document.querySelectorAll('#story-body > p');


Once up and running, a reader can double tap the SHIFT key to show the Paragraph links. Once in this mode they can toggle links and highlighting on a sentence level


Levenshtein calculation in the script is based on some nice code by Andrew Hedges


  • Further work on UI for highlighting with focus on simplicity
  • Social
  • Support for touch-based devices
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