flexible style class in css

Question

flexible style class in css

Currently, I am facing an issue where I need to display a variable number of items with a uniform margin setting that changes across the set.

In simple terms, if I have a set like [1,2,3,4,5], it would look like this:

1        2        3        4        5

If the number of items doubles, they should still occupy the same amount of space:

1   2   3   4   5   6   7   8   9   10

I have come up with some solutions, but what struck me was the idea of using a css-class (since the margin is consistent) to standardize the layout. It would be great if I could dynamically update the class to achieve this effect. However, I haven't found any information on how to do this. For instance, if the initial margin in the first example is margin-right: 10px;, then changing the class through something like

.myclass.setProperty('margin-right', '5px');

would modify the margin property for all elements assigned to that class.

Currently, I'm using a class for shared behavior and setting individual styles for each element, which can be quite laborious:

for (var i in mynumbers) {
    mynumbers.style.marginRight = new_margin;
}

Is there a way to dynamically change a class or if you have any suggestions on how to improve this approach? Your input and ideas are greatly appreciated. Thank you for taking the time to read and consider this problem.

javascript css

Answer 1

Answer №1

Just when you thought you've seen it all, here's another example showcasing the power of the flex layout:

.container {
  display: flex;
  border: 1px solid;
  justify-content: space-between;
}

<h2>5 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
</div>

<h2>10 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
  <span>6</span><span>7</span><span>8</span><span>9</span><span>10</span>
</div>

If your browser supports the feature, you would see something like this:

Check out browser compatibility to make sure your project runs smoothly.

EDIT: Here's an additional use case that may catch your interest, even though it wasn't specifically asked for:

.container {
  display: flex;
  border: 1px solid;
  justify-content: space-between;
}
.container:before, .container:after {
  content: '';
  width: 0;
}

<h2>5 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
</div>

<h2>10 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
  <span>6</span><span>7</span><span>8</span><span>9</span><span>10</span>
</div>

If your browser supports the feature, you would see something like this:

The beauty of this setup is that space is distributed equally not just between elements, but also includes both ends of the container. Plus, the code couldn't be simpler!

Answer 2

Just when you thought you've seen it all, here's another example showcasing the power of the flex layout:

.container {
  display: flex;
  border: 1px solid;
  justify-content: space-between;
}

<h2>5 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
</div>

<h2>10 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
  <span>6</span><span>7</span><span>8</span><span>9</span><span>10</span>
</div>

If your browser supports the feature, you would see something like this:

Check out browser compatibility to make sure your project runs smoothly.

EDIT: Here's an additional use case that may catch your interest, even though it wasn't specifically asked for:

.container {
  display: flex;
  border: 1px solid;
  justify-content: space-between;
}
.container:before, .container:after {
  content: '';
  width: 0;
}

<h2>5 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
</div>

<h2>10 elements in a line with equal width gaps</h2>
<div class="container">
  <span>1</span><span>2</span><span>3</span><span>4</span><span>5</span>
  <span>6</span><span>7</span><span>8</span><span>9</span><span>10</span>
</div>

If your browser supports the feature, you would see something like this:

The beauty of this setup is that space is distributed equally not just between elements, but also includes both ends of the container. Plus, the code couldn't be simpler!

Answer 3

Answer №2

If you're looking to streamline your table layout, consider using table-layout: fixed. This CSS property allows the browser to calculate the width of each column in the first row based on the total number of columns present in the table.

.custom-table {
    display: table;
    table-layout: fixed;
    width: 100%;
}

.custom-table > span {
    display: table-cell;
    text-align: center;
}

<div class="custom-table">
    <span>1</span>
    <span>2</span>
    <span>3</span>
    <span>4</span>
    <span>5</span>
    <span>6</span>
    <span>7</span>
    <span>8</span>
    <span>9</span>
</div>

<div class="custom-table">
    <span>1</span>
    <span>2</span>
    <span>3</span>
    &lt;span>4&lt;/span>
    &lt;span>5&lt;/span>
</div>

Answer 4

If you're looking to streamline your table layout, consider using table-layout: fixed. This CSS property allows the browser to calculate the width of each column in the first row based on the total number of columns present in the table.

.custom-table {
    display: table;
    table-layout: fixed;
    width: 100%;
}

.custom-table > span {
    display: table-cell;
    text-align: center;
}

<div class="custom-table">
    <span>1</span>
    <span>2</span>
    <span>3</span>
    <span>4</span>
    <span>5</span>
    <span>6</span>
    <span>7</span>
    <span>8</span>
    <span>9</span>
</div>

<div class="custom-table">
    <span>1</span>
    <span>2</span>
    <span>3</span>
    &lt;span>4&lt;/span>
    &lt;span>5&lt;/span>
</div>

Answer 5

Answer №3

Absolutely, it is indeed possible to change a class's property. However, it is important to note that modifying a class's property can trigger the browser's renderer to reevaluate the entire layout of the page in order to understand how the class modification impacts the overall design. This means that if you intend to adjust your margin-right property in a way that involves animation, the performance might be affected based on the intricacy of your webpage.

<html>
<head>
<style>
.thing {
    display: inline-block;
    width: 20px;
    height: 20px;
    background: #f00;
}
</style>
</head>
<body>
<div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
</div>

<div>
<button id="doit">Make bigger</button>
</div>
</body>
<script>
var styleTag = document.createElement("style"),
    styleSheet, index, cssRule, style;

// Create a <style> tag that will hold our CSS rule
document.head.appendChild(styleTag);
styleSheet = styleTag.sheet;

// Insert an empty .myClass rule into the style sheet
index = styleSheet.insertRule(".myClass {}", styleSheet.cssRules.length);

// Get the 'style' object from the rule. This is nearly identical to elem.style
cssRule = styleSheet.cssRules[index];
style = cssRule.style;

// Sets .myClass { margin-right: 5px; }
style.marginRight = "5px";

// Demo to show that it works when you click a button
document.querySelector("#doit").addEventListener("click", function() {
    style.marginRight = "20px";
});

</script>
</html>

Answer 6

Absolutely, it is indeed possible to change a class's property. However, it is important to note that modifying a class's property can trigger the browser's renderer to reevaluate the entire layout of the page in order to understand how the class modification impacts the overall design. This means that if you intend to adjust your margin-right property in a way that involves animation, the performance might be affected based on the intricacy of your webpage.

<html>
<head>
<style>
.thing {
    display: inline-block;
    width: 20px;
    height: 20px;
    background: #f00;
}
</style>
</head>
<body>
<div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
    <div class="thing myClass"></div>
</div>

<div>
<button id="doit">Make bigger</button>
</div>
</body>
<script>
var styleTag = document.createElement("style"),
    styleSheet, index, cssRule, style;

// Create a <style> tag that will hold our CSS rule
document.head.appendChild(styleTag);
styleSheet = styleTag.sheet;

// Insert an empty .myClass rule into the style sheet
index = styleSheet.insertRule(".myClass {}", styleSheet.cssRules.length);

// Get the 'style' object from the rule. This is nearly identical to elem.style
cssRule = styleSheet.cssRules[index];
style = cssRule.style;

// Sets .myClass { margin-right: 5px; }
style.marginRight = "5px";

// Demo to show that it works when you click a button
document.querySelector("#doit").addEventListener("click", function() {
    style.marginRight = "20px";
});

</script>
</html>

flexible style class in css

Answer №1

Answer №2

Answer №3

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