hidden jquery

1// Checks CSS content for display:[none|block], ignores visibility:[true|false]
2$(element).is(":visible");
3
4// The same works with hidden
5$(element).is(":hidden");

1$('#yourid').attr('hidden', false);
2$('#yourid').attr('hidden', true);

1// Checks css for display:[none|block], ignores visibility:[true|false]
2$(element).is(":hidden"); 
3

1if (to_timing <= time) {
2            $('#cancel').hide();
3        }