How to target a class with a specific number in CSS selectors

My mobile hybrid application is built with Sencha Touch 2 and requires some customization based on the iOS version it's running on.

In my Sass stylesheet, I originally had the following selector:

.x-ios-7 {
/* add iOS7 customizations here */

}

However, with the update to iOS8, the framework now adds a x-ios-8 class instead of x-ios-7, causing the customizations to break.

Is there a way to target all classes with x-ios-{i} where {i} is greater than or equal to 7?

[EDIT]

I am using Sass and want a solution that does not involve hardcoding specific cases.

csssass

Answer №1

SASS vs Regular CSS

@for $i from 3 through 6 {
    .x-ios-#{$i} { background:blue; }
}

When using SASS, the code above generates:

.x-ios-3 { background:blue; }
.x-ios-4 { background:blue; }
.x-ios-5 { background:blue; }
.x-ios-6 { background:blue; }

In comparison, with Regular CSS:

div { width:100px;height:100px;border:1px solid black;float:left; }
[class^="x-ios-"]:not([class*="1"]):not([class*="2"]) { background:blue; }

<div class="x-ios-1"></div>
<div class="x-ios-2"></div>
<div class="x-ios-3"></div>
<div class="x-ios-4"></div>
<div class="x-ios-5"></div>
<div class="x-ios-6"></div>

For specific nth-child recipes based on your needs, consider:

:nth-child(n+5) matches children 5, 6, 7, ...
:nth-child(2n+5) matches children 5, 7, 9, ...
:nth-child(-n+7) matches children 1, 2, 3, 4, 5, 6, 7
:nth-child(-3n+8) matches children 2, 5, and 8

Answer №2

If you're working with vanilla CSS, one way to target classNames that start with "x-ios-" is by using the attribute selector with a wildcard:

[class*='x-ios-'] {
  /* styles for all iOS classes */
}

For specific cases that require additional styling, you can manually define those classNames:

.x-ios-7 {
  /* styles specific to iOS 7 */
}

To target versions greater than or equal to iOS 7, you can use a combination of the attribute selector and `:not` pseudo-class as demonstrated in this example:

[class*='x-ios-']:not(.x-ios-3):not(.x-ios-4):not(.x-ios-5):not(.x-ios-6) {
   /* styles for iOS versions >= 7 */
}

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