How to use JQuery.find() when DOM is dynamic

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I have a cascading menu with the following flow;

  • click on an item from menu-1
  • creates and updates menu-2 li elements
  • click on an item from menu-2
  • creates and updates menu-3 li elements

    etc..

```

$firstMenu = $('.prime-menu');
$secondtMenu = $('.second-menu');
$thirdMenu = $('.third-menu');

```

As i'm traversing through different elems. within each menu, using find() comes as a blessing, the issue is that the script loads when no menu other than the first menu is created so $secondtMenu.find('.item-year').click(function (clickEvent) {}) is 0 length.

What are my options in JQuery to make my find() functions work on elements that are not loaded yet in the DOM?

I thought of creating an event listener, but I think there are more terse approaches than that.


You should use delegates when dealing with dynamic HTML. For instance, use an outer element like document or body to "start" your finds.

$(document).find(".prime-menu");

EDIT: Find and event delegation The solution was to use find with event delegation. Example event.

$(document).find(".prime-menu").on('mouseenter', '.track-table tbody tr', function(){ });

Most of jQuery's DOM traversal methods operate on a jQuery object instance and If we need an older element set, we can use end() to pop the sets back off of to its state before the call to find() , so the second find() looks for '.bar' inside <ul  Definition and Usage. The find () method returns descendant elements of the selected element. A descendant is a child, grandchild, great-grandchild, and so on. The DOM tree: This method traverse downwards along descendants of DOM elements, all the way down to the last descendant. To only traverse a single level down the DOM tree (to return direct children), use the children () method.


You state that when you click on an item from menu-1 it creates and updates menu-2 li elements. In this function is where you should do your event binding. The DOMElement will exist in js before being added to the dom, and that is where your bindings should be set.

If you need help share this code with us I'm sure myself or someone will be able to help you sort it out.

I'm trying to get the ID from a div that's been dynamically generated in jquery, Do I use .on() in a similar fashion to finding dynamically created images? For example, maybe when you insert the elements into the DOM, you  jQuery | find () with Examples. The find () is an inbuilt method in jQuery which is used to find all the descendant elements of the selected element. It will traverse all the way down to the last leaf of the selected element in the DOM tree. Syntax: $ (selector).find () Here selector is the selected elements of which all the descendant elements are going to be found.


Bind the click handler to the menu parent, not the actual menu items.

Something like this might work...

$("#menuparent").on("click",".item-year",function(event) {
    var clicked_element = event.currentTarget;
});

Doing it this way, even if the element with class .item-year is added to the dom after the click event is bound, it will still register the click.

This method is also able to find the width of the window and document. To get an accurate value, ensure the element is visible before using .width() . jQuery  Although it may seem like this is all dynamic, what is really happening is JQuery makes a pass over the DOM and wires up the click event when the ready() function fired, which happens before you created the "Click Me" in your button event.


Description: Load a JavaScript file from the server using a GET HTTP request, then As of jQuery 1.5, you may use .fail() to account for errors: Load the official jQuery Color Animation plugin dynamically and bind some Class Attribute · Copying · DOM Insertion, Around · DOM Insertion, Inside · DOM Insertion, Outside  Using jQuery .find () Method to Find Elements. Suppose you have to find all the li elements from the below HTML: To do this use jQuery Find method like: This will change the color of all li elements, that are inside of listDiv (i.e. descendants of listDiv), to Red.


How to get a DOM object from a jQuery object How to use jQuery selectors to quickly find DOM elements The most important part of dynamic web development​  jQuery .on() Method: the Issue of Dynamically Added Elements The jQuery .on() method is the recommended way for attaching events to any DOM element. This method attaches event handlers to a selected set of elements and it works perfectly for elements present on the page.


The DOM defines a standard for accessing HTML and XML documents: programs and scripts to dynamically access and update the content, structure, and The following example demonstrates how to get content with the jQuery text() and  Given a jQuery object that represents a set of DOM elements, the .find () method allows us to search through the descendants of these elements in the DOM tree and construct a new jQuery object from the matching elements. The .find () and .children () methods are similar, except that the latter only travels a single level down the DOM tree.