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Asked: 2026-06-10T10:14:36+00:00

The title phrases it badly so here’s a longer description : I have an

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The title phrases it badly so here’s a longer description :

I have an application that exports data in html format. ( 500 rows, 20 columns)
It looks terrible with lots of useless columns.

I want to use something like datatables to make a more usable table, i.e. paging/sorting/filtering/hiding columns

The option I’m trying first is to insert the table from the exported html file using the .load() function from jquery. Then I loop through the table deleting/modifying columns.

This seems very slow (I suspect my looping and searching) so I’m looking for improvements.

One idea is to pre-convert my exported html file to json (using notepad++ macros or something like that) and then build the table that I want from that json file.

Any opinions on whether I can expect a large performace boost, or potential problems to look out for ?

Many thanks / Colm

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  1. Editorial Team

    This page gives some real world examples of loading data in json vs data in a html table. Fairly conclusive, see the post from sd_zuo on July 2010, a fourfold increase in speed loading from json and then just building the table that you want to display.

    Granted the page deals specifically with the slowness of the innerHtml function in IE8 but I think I’ll give it a go in json and see how it compares across a couple of browsers.

    P.S. This page gives good advice on fast creation of html using raw javascript and then only using jquery to insert one full row at a time

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