JSFiddle - React, Tailwind, and code Playground

by AndyE

HTML

<div id="test" style="display:none;" >Shift key is down</div>

CSS

.quoteWrapper { background-color: green; }
.quote { height: 16px; }
.sixQuoteWrapper { background-color: red; margin: 2px; }

JavaScript

window.onmousemove = function(e) {
        e = e || window.event;
        var copyLabel = document.getElementById("test");
        if (e.shiftKey) {
            copyLabel.style.display = "inline";
            ob_copyOnNodeDrop = true;
        }
        else {
            copyLabel.style.display = "none";
            ob_copyOnNodeDrop = false;
        }
    }