Rotating a CSS arrow and toggling with JavaScript

On my webpage, I have two div banners with corresponding CSS arrows. Clicking the banners triggers a JavaScript function that toggles between revealing and hiding the text below them. As the text is revealed, the arrows rotate downward and rotate back up when hidden.

My challenge is that I want the first div banner to be automatically revealed when the page loads. However, due to the padding in the div, aligning the arrow perfectly with subsequent divs has been difficult.

You can see an example of this issue here: http://jsfiddle.net/nVuQ2/1/

I've attempted adjusting the placement of the arrow using CSS:

.tri0 {
    margin-left: 20px;
    margin-top: 5px;
}

However, I've only managed to move the tri0 arrow up to the padding of the h3 tag without further progress. Is there a way to set a toggle flag within the toggleClass function to indicate that the first div banner is already toggled, so subsequent clicks will untoggle it?

javascriptjqueryhtmlcss

Answer №1

The reason for the issue you are experiencing is due to the border settings on your tri elements. Each element has a different border style, causing them to display inconsistently.

To resolve this issue, ensure that all elements have the same border values and rotation. This will provide consistency when the page initially loads and displays your first message.

It is not necessary to use two separate classes to toggle the state of your elements if they have the same properties.

Take a look at the example in the Fiddle.

I hope this solution addresses your concern. Thank you.

Answer №2

If you want to ensure that the arrows are always aligned in the middle, consider using absolute positioning instead of floating. Set the parent div to position:relative, and the arrows to position:absolute;

Your code should resemble the following - 

.slide0, .slide1 {
    position:relative;
}

.tri0, .tri1 {
    position:absolute;
    top:0;
    bottom:0;
    margin:auto 0;
}
.tri0 {
    right:5px;
}
.tri1 {
    right:10px;
}

UPDATE: I realized that I forgot to account for the rotated arrow's width. Adjust the positioning of .tri1 to use right:10px instead of right:5px to accommodate this. Updated code is provided above, along with an updated fiddle link.

Check out the Updated Fiddle here

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