check button is hide or show in jquery code example

Example 1: 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: jquery is element hidden

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