How Do I Select A Single Element In Jquery?

Question

I have a table structure that looks like:

row 1 content1

Solution 1:

If you prefer keeping a jQuery object, you may write instead:

$("selector").first().val()

Solution 2:

jQuery always returns a set of elements. Sometimes, the set is empty. Sometimes, it contains only one element. The beauty of this is that you can write code to work the same way regardless of how many elements are matched:

$("selector").each(function()
{
   this.style.backgroundColor = "red";
});

Fun!

Solution 3:

If you find that you know you will only deal with a single element and that only one element will be returned, you can always select the zero index of the array.

$("selector")[0].value

It's dirty and breaks the convention of jQuery in general... but you "could" do this.

Solution 4:

$("selector").eq(5)

This returns a first class jquery array with just the 5th item. i.e.,I can do jquery functions on the return value.

Found the answer here: https://forum.jquery.com/topic/jquery-class-selectors-referencing-individual-elements

Solution 5:

There are several options for doing this:

"Select the first of several Div elements in the below snippet and change it's color to pink"

<div>Div 1</div> <div class="highlight">Div 2</div> <div id="third">Div 3</div> <div class="highlight">Div 4</div>

Here we can select the first Div in the following ways:

1) $("div").first().css("color","pink"); 2) $("div:first").css("color","pink"); 3) $("div:first-of-type").css("color","pink");

Please note that 2 is a jQuery construct and not a native css construct and hence, can be slightly less performant.

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