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Technologies > JavaScript Libraries > Ext JS > Version 4

Usage statistics and market share of Ext JS Version 4 for websites

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These diagrams show the usage statistics of Ext JS version 4 as JavaScript library on the web. See technologies overview for explanations on the methodologies used in the surveys. Our reports are updated daily.

Ext JS version 4 is used by less than 0.1% of all the websites whose JavaScript library we know.


The diagram shows the percentage of websites using Ext JS version 4 as JavaScript library.

How to read the diagram:
Ext JS is used by less than 0.1% of all the websites.
Version 4 is used by less than 0.1% of all the websites.

Ext JS
less than 0.1%
Version 4
less than 0.1%
W3Techs.com, 1 June 2025
Percentage of websites using Ext JS

Subversions of Ext JS 4

This diagram shows the percentages of websites using various subversions of Ext JS 4.

How to read the diagram:
Version 4.2 is used by 64.3% of all the websites who use Ext JS version 4.

Version 4.2
64.3%
Version 4.1
28.6%
Version 4.0
7.1%
W3Techs.com, 1 June 2025
Percentages of websites using various subversions of Ext JS 4

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Technology Brief
Ext JS
Category: JavaScript Libraries
Ext JS (pronounced "ekst") is a JavaScript library developed by Sencha.
Website: sencha.com/...

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