JSFiddle - React, Tailwind, and code Playground

HTML

<div>
</div>

CSS

button {
    color: red;
}

button[type='button'] {
    color: green;
}

JavaScript

/*
in iE8+iE7 compatibility mode, jQuery 1.5+ seems to not add the type="button" attribute to the button element when inserted via jQuery.  Earlier versions do correctly set this.

oad this in iE8+iE7 compatibility mode and try it with different jQuery versions to see the effect.

0-1.4.4 - green button
1.5+ - red button

*/

$('<button type="button">button</button>').appendTo("div");