Ways to turn off JavaScript when reaching a certain breakpoint, similar to a media query

I am facing an issue with my <header> and <nav> blocks which are impacted by JavaScript. Is there a way to create a JavaScript solution similar to a media query that would deactivate this JavaScript code if the window width is less than or equal to 1200px?

This is my current JavaScript, running continuously (placed just before </html>):

<script>
    $(window).scroll(function() {
        if ($(this).scrollTop()>119)
         {
            $('header').fadeOut();
            $('nav').css({position: 'fixed', top: '0px'});
         }
        else
         {
          $('header').fadeIn();
          $('nav').css({position: 'absolute', top: 'auto'});
         }
    });
</script>


I have attempted enclosing the code within

if (document.documentElement.clientWidth <= 1200) {
    // scripts
}

and

if (screen.width <= 1200) {
    // scripts
}

but without success.

javascriptjqueryhtmlcss

Answer №1

The best way to handle this situation is by wrapping the code. Given that jQuery is already in use, you can utilize the following:

if($(window).width() > 1200) {
  // Add the remaining code here
}

It's important to note that I've opted for > instead of <= as you specified that it should be executed when over 1200px and disregarded when below or equal to 1200px.

Answer №2

Here's a helpful code snippet for your project:

<script>
    var screenWidth = $(window).width();

    if(screenWidth >= 1200)
    {
        $(window).scroll(function() {
            if ($(this).scrollTop()>119)
            {
                $('header').fadeOut();
                $('nav').css({position: 'fixed', top: '0px'});
            }
            else
            {
                $('header').fadeIn();
                $('nav').css({position: 'absolute', top: 'auto'});
            }
        });
    }
</script>

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