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Accessing css variable in JS file

由 僤鯓⒐⒋嵵緔 提交于 2021-02-09 07:31:19
问题 I am having a CSS file which has some variable define @red: red-color @yello: yellow-color .... I can use this variable in CSS file, But I want to know how can I access them in my JS file. 回答1: Assuming you're using native CSS variables and not some preprocessor, take a look at this page. At the bottom there's a section called Values in JavaScript which describes how to access native CSS vars in JS code. getComputedStyle(element).getPropertyValue("--my-var"); However if you are using a CSS

How do I add the same CSS property (e.g. background-image) multiple times with React?

由 試著忘記壹切 提交于 2021-02-09 07:25:16
问题 I want to do the equivalent of style="background-image: url(foo.jpg); background-image: -webkit-image-set(url(foo_1x.jpg) 1x, url(foo_2x.jpg) 2x)" in a React component. React requires me to provide a style object, not a string. But a JS object can't have the same property twice. How do I get two background-image properties? Also, the order is significant – the image-set needs to be last. It needs to be an inline style. (Because the URL is a dynamic, interpolated value retrieved from DB.) 回答1:

How do I add the same CSS property (e.g. background-image) multiple times with React?

由 淺唱寂寞╮ 提交于 2021-02-09 07:22:56
问题 I want to do the equivalent of style="background-image: url(foo.jpg); background-image: -webkit-image-set(url(foo_1x.jpg) 1x, url(foo_2x.jpg) 2x)" in a React component. React requires me to provide a style object, not a string. But a JS object can't have the same property twice. How do I get two background-image properties? Also, the order is significant – the image-set needs to be last. It needs to be an inline style. (Because the URL is a dynamic, interpolated value retrieved from DB.) 回答1:

How do I add the same CSS property (e.g. background-image) multiple times with React?

由 大憨熊 提交于 2021-02-09 07:21:50
问题 I want to do the equivalent of style="background-image: url(foo.jpg); background-image: -webkit-image-set(url(foo_1x.jpg) 1x, url(foo_2x.jpg) 2x)" in a React component. React requires me to provide a style object, not a string. But a JS object can't have the same property twice. How do I get two background-image properties? Also, the order is significant – the image-set needs to be last. It needs to be an inline style. (Because the URL is a dynamic, interpolated value retrieved from DB.) 回答1:

How do I add the same CSS property (e.g. background-image) multiple times with React?

由 感情迁移 提交于 2021-02-09 07:21:49
问题 I want to do the equivalent of style="background-image: url(foo.jpg); background-image: -webkit-image-set(url(foo_1x.jpg) 1x, url(foo_2x.jpg) 2x)" in a React component. React requires me to provide a style object, not a string. But a JS object can't have the same property twice. How do I get two background-image properties? Also, the order is significant – the image-set needs to be last. It needs to be an inline style. (Because the URL is a dynamic, interpolated value retrieved from DB.) 回答1:

How to count the number of correct answers using Javascript?

由 只谈情不闲聊 提交于 2021-02-09 06:57:47
问题 I'm trying to create a simple website about counting the number of fingers I'm putting up (random number). However, I want to add something extra to the website. I'm trying to create a counter on the side of the container that counts the number of correct answers, and drops down to zero whenever the user get a question incorrectly. Here is my code for the site... <!doctype html> <html> <head> <title>Changing Website Content</title> <link href='http://fonts.googleapis.com/css?family=Open+Sans'

Overflow hidden hides dropdown, but taking overflow hidden off hide navigation background

由 ◇◆丶佛笑我妖孽 提交于 2021-02-09 02:51:31
问题 First off, here's a .js fiddle: http://jsfiddle.net/B6DSv/ The issue I am having is with my .css: nav { overflow: hidden; /*THIS LINE*/ background-color: #004b98; width: 100%; margin: 0; padding: 0; } and here: <nav> <ul> <li><a href="index.html">Home</a> <ul> <li><a href="#">teadsfasdfadsst</a></li> </ul> </li> <li><a href="#">Gallery</a></li> <li><a href="#">Map</a></li> </ul> </nav> If I take off overflow: hidden; , the dropdown works... But my background is taken off. 回答1: Since the

Overflow hidden hides dropdown, but taking overflow hidden off hide navigation background

由 一世执手 提交于 2021-02-09 02:46:45
问题 First off, here's a .js fiddle: http://jsfiddle.net/B6DSv/ The issue I am having is with my .css: nav { overflow: hidden; /*THIS LINE*/ background-color: #004b98; width: 100%; margin: 0; padding: 0; } and here: <nav> <ul> <li><a href="index.html">Home</a> <ul> <li><a href="#">teadsfasdfadsst</a></li> </ul> </li> <li><a href="#">Gallery</a></li> <li><a href="#">Map</a></li> </ul> </nav> If I take off overflow: hidden; , the dropdown works... But my background is taken off. 回答1: Since the

Overflow hidden hides dropdown, but taking overflow hidden off hide navigation background

由 守給你的承諾、 提交于 2021-02-09 02:45:17
问题 First off, here's a .js fiddle: http://jsfiddle.net/B6DSv/ The issue I am having is with my .css: nav { overflow: hidden; /*THIS LINE*/ background-color: #004b98; width: 100%; margin: 0; padding: 0; } and here: <nav> <ul> <li><a href="index.html">Home</a> <ul> <li><a href="#">teadsfasdfadsst</a></li> </ul> </li> <li><a href="#">Gallery</a></li> <li><a href="#">Map</a></li> </ul> </nav> If I take off overflow: hidden; , the dropdown works... But my background is taken off. 回答1: Since the

How to make a vertical oval type of shape div?

由 假装没事ソ 提交于 2021-02-09 01:56:36
问题 I want to create an oval shape like the one below but failing Also is there any way to insert an image inside this oval shaped css? that's my main objective. My Demo #oval { margin: 0px 0 10 02px; background: black; -moz-border-radius: 100px / 50px; -webkit-border-radius: 100px / 70px; border-radius: 50px / 50px; border-top-left-radius: 150px; border-top-right-radius: 150px; border-bottom-left-radius: 150px; border-bottom-right-radius: 150px; width: 80px; height: 100px; } <!DOCTYPE html>
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