How to Check the Visibility of an Element Using jQuery?


In the  jQuery versions before 1.3.2  an element was regarded as Visible if the CSS Visibility Property of that element was not defined as “Hidden” or if the CSS Display Property of that was defined as  “Visible “ or  it was an element with an input type not equal to “Hidden”. There are several options available to test whether an element is hidden or visible with jQuery. Nowadays with the later versions of jQuery the visibility of an element is determined by taking into consideration the height and width of the element. The element is considered to be visible if the height or width of the element is greater than zero otherwise the element is considered as Hidden.

a) We can make use of a Pure Selector to find out the visibility of an element and this method is considered to render the best performance than other methods. Below is the sample code listed for the same:

if ($('element_name:visible').length > 0){

alert(‘Element is Visible (Verified Using a Pure Selector)!’);

}

b) Using the is() Method of jQuery

if ($('element_name').is(':visible')) {

alert(‘Element is Visible (Verified Using is() Method)!’);

}

c) Using the filter() Method of jQuery

if ($('element_name').filter(':visible'). length >0) {

alert(‘Element is Visible (Verified Using filter() Method)!’);

}

 

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