Ensure relevant Javascript and HTML are loaded before using them(msmvps.com)
submitted by 
crpietschmann(11.3k) 3 years, 11 months ago
ensure allows you to load Javascript, HTML and CSS on-demand, whenever they are needed. It saves you from writing a gigantic Javascript framework up front so that you can ensure all functions are available whenever they are needed. It also saves you from delivering all possible html on your default page (e.g. default.aspx) hoping that they might some day be needed on some user action. Delivering Javascript, html fragments, CSS during initial loading that is not immediately used on first view makes initial loading slow. Moreover, browser operations get slower as there are lots of stuff on the browser DOM to deal with. So, ensure saves you from delivering unnecessary javascript, html and CSS up front, instead load them on-demand. Javascripts, html and CSS loaded by ensure remain in the browser and next time when ensure is called with the same Javascript, CSS or HTML, it does not reload them and thus saves from repeated downloads.
|category: AJAX
|Views: 11
tags:
JavaScript AJAX another
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