HTML Paintbrush

by suncannon

HTML

<body style="width:1000px;height:1000px">
    
</body>

JavaScript

document.body.addEventListener("mousemove", function(e) {
    var d = document.createElement("div")
    d.style.width = "5px" 
    d.style.height = "5px" 
    d.style.backgroundColor = "#f36" 
    d.style.opacity = 0.7 
    d.style.position = "absolute" 
    d.style.top = e.clientY + "px"
    d.style.left = e.clientX + "px"
    document.body.appendChild(d)
})