bootstrap-detect-breakpoint

Detect the current Bootstrap breakpoint in JavaScript.

References

• Demo page
• GitHub repository
• npm package

Usage

Include the bootstrap-detect-breakpoint.js.

<script src="/src/bootstrap-detect-breakpoint.js"></script>

Get the current breakpoint with

var currentBreakpoint = bootstrapDetectBreakpoint() 

which will return an object with the current breakpoint name and index, like this

{
    "name": "lg",
    "index": 3
}

The index goes from 0 to 5, where 0 is "xs" and 5 is for "xxl".

Works in Bootstrap 4 and 5

In Bootstrap 5 prior 5.3 there is an issue that the css variables for breakpoints are missing, which was fixed (by me) with version 5.3.

Up to version 5.3, you can use the bootstrap-detect-breakpoint script with Bootstrap 5 by simply adding the following to your scss

:root {
  @each $name, $value in $grid-breakpoints {
    --bs-breakpoint-#{$name}: #{$value};
  }
}

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