16. The method of claim 14 , wherein the browser-specific script functions are mapped to the common set of rich text editing commands.
14. A computer-implemented method of editing webpage content, comprising: initiating, on computing device, a rich text editor that provides cross-browser rich text editing capability for editing webpage content via different browsers, wherein each different browser provides one or more browser functions that are included as part of each different browser and support selecting and editing webpage content within editable areas of webpages; detecting, by the rich text editor, selection by a current browser of webpage content within an editable area of a webpage; determining, by the rich text editor, that the selected webpage content is editable by the rich text editor when the selected webpage content has been tagged by a provider of the webpage content with a class specific to the rich text editor that is used to indicate editable webpage content; dynamically generating, by the rich text editor, an insertion pointer within the editable area of the webpage at a location of the selected webpage content; managing, by the rich text editor, movement of the insertion pointer in response to cursor behavior within the editable area of the webpage; limiting, by the rich text editor, editing functions provided by the current browser to the insertion pointer; providing, by the rich text editor, a common set of rich text editing commands in a user interface that can presented by each different browser, wherein: the common set of rich text editing commands provided in the user interface is supported by a set of browser-specific script functions that is exposed to the rich text editor based on the current browser, the browser-specific script functions are utilized by the rich text editor to process inserted content in real-time when entered into the insertion pointer via a typing operation or one or more editing functions included as part of the current browser employed by the computing device, and the browser-specific script functions are utilized by the rich text editor to copy the inserted content from the insertion pointer into markup language of the webpage for updating the webpage content; and editing, by the rich text editor, the webpage content using one or more of the browser-specific script functions that support the common set of rich text editing commands.