Can you tell me what is the system or behavior behind the data-target attribute used by Bootstrap 3?

I know that data-toggle used to aim API JavaScript of Bootstrap of graphical functionality.

2 Answers

data-target is used by bootstrap to make your life easier. You (mostly) do not need to write a single line of Javascript to use their pre-made JavaScript components.

The data-target attribute should contain a CSS selector that points to the HTML Element that will be changed.

Modal Example Code from BS3:

<!-- Button trigger modal -->
<button> Launch demo modal
</button>
<!-- Modal -->
<div tabindex="-1" aria-labelledby="myModalLabel" aria-hidden="true"> [...]
</div>

In this example, the button has data-target="#myModal", if you click on it, <div>...</div> will be modified (in this case faded in). This happens because #myModal in CSS selectors points to elements that have an id attribute with the myModal value.

Further information about the HTML5 "data-" attribute:

2

The toggle tells Bootstrap what to do and the target tells Bootstrap which element is going to open. So whenever a link like that is clicked, a modal with an id of “basicModal” will appear.

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