detect if element is hidden by other element code example

Example 1: CHECK IF element is hidden jquery

// Checks CSS content for display:[none|block], ignores visibility:[true|false]
$(element).is(":visible");

// The same works with hidden
$(element).is(":hidden");

Example 2: js check if element hidden

if (elem.getAttribute("hidden") != null){
  //code if elem is hidden
}