CSS - using !important alongside a variable

Is there a way to dynamically add an important tag to the CSS height property of #content located on line 7 in the code snippet below? I need to use the variable $newHeight to ensure flexibility.

Can anyone provide guidance on how to append an !important declaration to this specific CSS rule? Attempts using concatenation with the plus (+) sign have been unsuccessful so far.

See the code snippet:

$(window).resize(function() {

    var $windowHeight = $(window).height();
    var $newHeight = $(window).height()-$('#footer').height()-153;

    if ($windowHeight < 847){
        $('#content').css("height",$newHeight);         
}

});

Answer №1

Using jQuery to apply the !important rule is not possible, as demonstrated in this demo, and explained further in this detailed discussion with alternative solutions.

While using a predefined class with the desired height and importance could work, it may not be practical due to variable heights. It's recommended to refer to the mentioned resources for a more reliable solution.

Another approach is to directly adjust the height without including the !important rule:

$('#content').height($newHeight);   

Answer №2

To incorporate the !important rule, simply follow these steps:

let target = document.getElementById("content");
target.setAttribute('style', 'height:'+$newHeight+'!important');

Answer №3

I found success with this solution

const customStyle = document.createElement('style');
customStyle.type = 'text/css';
customStyle.innerHTML = '.backgrounds { background: ' + color + '!important; }';
document.getElementsByTagName('head')[0].appendChild(customStyle);

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