Syntax: Implement variable for css property value

Is there a way to center a box vertically within another box using jQuery instead of CSS? I believe it's more reliable.

var textH = $(".Text").height();
var vertAlign = ((140 - textH)/2);

$(".Text").css({
    marginTop: 'vertAlign'
});

I'm struggling with the details. The goal is for the output to be half of the available vertical space in pixels.

UPDATE

Originally, the text block was a span inside a div. The div had a fixed height (e.g., 140 px), while the span's height varied based on the text content. However, I needed the text block to be editable, so I switched it to a text area. Unfortunately, managing the dimensions of the text area turned out to be challenging since I had to set static height and width values. As a result, the height of the text block became non-variable, causing issues in determining the margin-top spacing from its parent. What would be the best course of action in this situation?

jquerycssmathvar

Answer №1

Eliminate the quotation marks around the vertAlign parameter.

$(".Text").css('margin-top', vertAlign);

Give the code above a try. It should provide assistance.

Answer №2

If you desire to apply multiple styles:

var customStyles = {'margin-top':vertAlign,'property':100,'property':somevalue}
$(".Text").css(customStyles);

Answer №3

let textHeight = $(".Text").height();
let verticalAlignment = ((140 - textHeight) / 2);
$(".Text").css({
        margin-top: verticalAlignment + 'px'
    });

It is important to specify the unit of measurement, like pixels or em, to avoid confusion for the browser. Additionally, conducting range checking can prevent negative values and unexpected results for the variable verticalAlignment.

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