JSFiddle - React, Tailwind, and code Playground
by stevea
HTML
<input type="button" onmousedown="reportColourAndFontSize(); return false" value="Get colour and font size">
<div contenteditable="true"><font size="5">Large text</font> and <span style="color: red">red text</span></div>
JavaScript
function reportColourAndFontSize() {
var colour = document.queryCommandValue("ForeColor");
var fontSize = document.queryCommandValue("FontSize");
alert("Colour: " + colour + ", font size: " + fontSize);
}