JSFiddle - React, Tailwind, and code Playground

by j08691

HTML

<span id="elem_id0" style="color:blue">some text</span>
<span id="elem_id1" style="color:blue">some text</span>
<span id="elem_id2" style="color:black">some different text</span>
<span id="elem_id3" style="color:blue">some text</span>

JavaScript

var blues = $('[id^="elem_id"][style*="color:blue"]').length;            

console.log(blues);