javascript set display visible code example

Example 1: javascript display block

document.getElementById("someElementId").style.display = "block";

Example 2: how to make div visible and invisible in javascript

elem.style.display = 'none'; // hide
elem.style.display = 'block'; // show - use this for block elements (div, p)
elem.style.display = 'inline'; // show - use this for inline elements (span, a)