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set css var with javascript

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Donna Maria answered on September 11, 2020 Popularity 9/10 Helpfulness 4/10

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set css var with javascript

Comment

// this is for site-navigation with more sub ul-blocks.
// in css root{--ul-hover-height:100px} //fallbackvalue 
// in css: nav ul ul:hover{height:--ul-hover-height;}

// to make it dynamic using JS: 
// set variable ul ul height depending on nr. of li's:
function setUlHeight(elem){        
    parentHeight=window.getComputedStyle(elem.parentNode).height
    parentHeight=parseInt(parentHeight)*1.2 //to cover li padding/margin..
    elemHeight=parentHeight * elem.childElementCount
  
    let root = document.documentElement;           
    root.style.setProperty('--ul-hover-height', elemHeight); }

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: css javascript set var

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Contributed on Jun 15 2022

Donna Maria

0 Answers Avg Quality 2/10

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how to change a css variable with javascript

Comment

var root = document.querySelector(':root');
root.style.setProperty('--variable', 'lightblue');
/or/
root.style.setProperty('--variable', myColor);

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: css

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Contributed on Feb 17 2021

Spotless Seal

0 Answers Avg Quality 2/10

how to change css variable in javascript

Comment

document.documentElement.style.setProperty("--main-background-color", "green");

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: css

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Contributed on Sep 11 2020

Apalov

0 Answers Avg Quality 2/10

set css variable from javascript

Comment

document.documentElement.style.cssText = "--tab-count: 3";
/or/
document.documentElement.style.setProperty("--tab-count", 5);
/or/
document.documentElement.setAttribute("style", "--tab-count: 5");

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: css

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Contributed on Oct 13 2020

Vivacious Vendace

0 Answers Avg Quality 2/10

how to change css variable in javascript

Comment

document.documentElement.setAttribute("style", "--main-background-color: green");

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: css

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Contributed on Sep 11 2020

Apalov

0 Answers Avg Quality 2/10

js set css variable

Comment

document.documentElement.style.setProperty("--main-background-color", "green");

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: css

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Contributed on Jan 07 2021

Grumpy Gerenuk

0 Answers Avg Quality 2/10

how to set css variables in javascript

Comment

		const docStyles = document.documentElement.style;

		docStyles.setProperty('--accent', '#ffffff');
		docStyles.setProperty('--textColor', '#ffffff');

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: css-variables cs

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Contributed on Feb 23 2022

Bright Booby

0 Answers Avg Quality 2/10

how to change css variable in javascript

Comment

document.documentElement.style.cssText = "--main-background-color: red";

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: css

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Contributed on Sep 11 2020

Apalov

0 Answers Avg Quality 2/10

css variable value changing with javascript

Comment

const cssVar = ( name, value ) => {

    if(name.substr(0, 2) !== "--") {
        name = "--" + name;
    }

    if(value) {
        document.documentElement.style.setProperty(name, value)
    }

    return getComputedStyle(document.documentElement).getPropertyValue(name);

}

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: davidwalsh.name

Tags: css javascript javascri

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Contributed on Jul 21 2022

Zany Zebra

0 Answers Avg Quality 2/10

set css var with javascript

Comment

// this is for site-navigation with more sub ul-blocks.
// in css root{--ul-hover-height:100px} //fallbackvalue 
// in css: nav ul ul:hover{height:--ul-hover-height;}

// to make it dynamic using JS: 
// set variable ul ul height depending on nr. of li's:
function setUlHeight(elem){        
    parentHeight=window.getComputedStyle(elem.parentNode).height
    parentHeight=parseInt(parentHeight)*1.2 //to cover li padding/margin..
    elemHeight=parentHeight * elem.childElementCount

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: css

Link to this answer
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Contributed on Jun 15 2022

Zenity Code

0 Answers Avg Quality 2/10

set css var with javascript

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set css var with javascript

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