Should the event happen inside a div section

How can I determine if an element is currently positioned within a specific div?

I am working on a vertical scrolling menu where the height of the navigation div is set and overflow is hidden to show only a portion of the links at a time.

To navigate through the links, I have implemented graphics at the top and bottom of the menu. Clicking these graphics moves the links accordingly. However, I'm facing difficulty in stopping the animation once it reaches the first or last link.

If you would like to see the issue in action, please visit

jquerycssscroll

Answer №1

In order to ensure smooth functionality, it is crucial to verify the existing value of the div#content top margin when interacting with the buttons. Specifically, the animation triggered by the top button should be activated only if the margin-top of div#content is below 0. On the other hand, the animation associated with the bottom button should execute when the margin-top exceeds -500.

Answer №2

Answering your query, jQuery has the :hashelp pseudo selector for detection purposes.

if( $('div:has(span)').length )  { }  // Returns true if a div contains a `<span>` node.

However, it seems like that may not be the issue you're facing. To effectively halt an animation, simply use .stop()help.
Perhaps something along these lines:

$('div').stop(true,true).animate() // ...

The parameters instruct jQuery to clear the current fx queue and skip to the end.

Another method to prevent repeated execution of asynchronous effects is to utilize the :animatedhelp pseudo selector. This enables you to determine whether an element is currently being animated before taking action.

if( $('div').is(':animated') ) { }  // Indicates that the div is in the process of being animated

Answer №3

Give this a try:

if ( $('#myElement').closest('div').length > 0 ) {
    // Yes, I am located within a DIV
}

You can also insert a valid jQuery selector inside the .closest() function. For example, to verify if an element is within my scrollable DIV, you might use:

$('#myElement').closest('div#myScrollableDiv').length > 0

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