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How to change background color (green/red) in empty HTML on certain keys?

Does anyone have a solution on how to change the background color in HTML when certain buttons are pressed, for example the letter A. Whenever I press the button, the color switches to another color (red to green, or green to red) and stays that way. But the good thing is that it works when I'm not ...

P粉211273535 2023-09-07 10:08:19

Questions about php toolbox

I would like to ask you PHP Toolbox-"Environment-"Running Status-"Apache is green, but Mysql is red. How can I change it to green?

虔 2018-08-09 14:12:38

javascript - How to write jquery to exclude an element and its sub-elements and select all other elements

As shown in the picture, only clicking on the yellow and blue areas will execute the function. Clicking on the red area and the green sub-elements within the red will not execute the function. How to write it with jquery?

伊谢尔伦 2017-05-19 10:44:06

How to create a window to view the generated SQL in Lesson 6-3

There is no green icon to click in the lower right corner of the page I exported.

蓝 2018-06-28 16:09:41

macos - How to completely delete apache and php that come with mac

I heard online that mamp is very useful and can be installed automatically, so I downloaded it and installed it. However, I found that the green light of the apache server was always off, so I only used the mysql server light that was on, and entered localhost to enter the mac native The apache is t...

伊谢尔伦 2017-05-16 17:02:11

Javascript event delegate with unknown selector and children

I have a dynamic selector (linkTrigger) which is supposed to capture clicks on an element. I don't know what linkTrigger might be or if it will have some children. When I use jQuery everything is fine. If you click on the first green rectangle (not the number part) you will see all 3 handlers workin...

P粉187677012 2024-04-03 23:39:19

Decoding CSS selector priority/specificity

I'd like to understand how CSS selectors handle attribute conflicts. How to select one property over another? div{background-color:red;}div.my_class{background-color:black;}div#my_id{background-color:blue;}bodydiv{background-color:green;}body>div{background-color:orange;

P粉715274052 2023-10-19 22:58:19

How to change the color of a picture

Could you please tell me, after I scanned this, the color is distorted, how can I adjust it to the original green color? The original picture has the color of the first one, how can I change the second one to the first one?

2021-12-28 11:15:02

How to get the browser viewport size

I want my visitors to be able to see high quality images, is there any way to detect the window size? Or better yet, the browser's viewport size using JavaScript? See the green area here:

P粉237029457 2023-08-28 11:06:30

VS Code update 1.78.2 javascript white text

Hey, just updated my vscode and now vscode doesn't necessarily highlight my code like it used to, i.e. classes in green, functions in yellow, etc. Any ideas? Tried adjusting some settings for language mode in the lower right corner, but to no avail.

P粉481035232 2023-09-13 00:26:43

javascript - JS web page skinning problem

<link href="green.css" rel="stylesheet" type="text/css" /> {code...} {code...} What does this.className = "current" mean? Is it corresponding to the button that is in the green state on the current page?

世界只因有你 2017-07-05 10:50:04

android - How does IDEA automatically install the Android apk package to the simulator for debugging?

I clicked on the green triangle, but it just opened the emulator, and the installation package was not automatically installed! ! Supplement: Supplement: First I need to execute the following command separately {code...}

PHPz 2017-05-16 13:32:10

Absolute positioning and hiding overflow

We have two DIVs, one nested inside the other. If the outer DIV is not set to be absolutely positioned, then the absolutely positioned inner DIV will not respect the overflow hiding of the outer DIV. #first{width:200px;height:200px;background-color:green;overflow:hidden;}#second{width:50px;height:50...

P粉451614834 2023-08-21 19:30:21

How to use CSS to change font color in HTML based on tag text content

So I have a radio button with the text "Yes" and "No" and if any one of them is selected I want the font color to change. Yes (green) No (red) The following is the html code: <asp:RadioButtonListID="RadioButtonList1" runat="server"RepeatDirection="Hori...

P粉349222772 2023-09-08 20:57:35

Fix hover state issues in Tailwind CSS

I'm currently styling a navigation bar for a single page website. When the user hovers over the div surrounding the button, I want it to not only change the background color to a darker green (which already works), but also change the text color to white, making it visible. However, even though I've...

P粉039633152 2023-12-31 08:53:39

How to change color: use buttons

Is there a way for me to write fewer lines of code in this function? I want it to switch between the two colors when you press one of the buttons. The function green() is the exact opposite of red. <h1id="header">Red or Green</h1><buttonid="redButton"onclick="...

P粉111927962 2023-09-05 16:38:19

win10 installed php toolbox

In the environment, apach and mysql are both green squares. How to open the phpmyadmin page and the prompt is as follows? Not FoundThe requested URL /phpMyAdmin/ was not found on this server. And l.php cannot be opened in win10 system, which is brand new. But you can connect to mysql using tool soft...

phpcn_u76162 2017-12-14 19:57:22

How to make borders for columns in table?

I need to make a table like shown in the screenshot: What results I got: Problem: I can't make a green border like in the screenshot of the "Registered" column. Question: If it is a table, how to make this border? I tried overriding it on the div but nothing worked my style.container{table...

P粉176151589 2024-01-16 19:25:40

PHPstorm color theme

The PHPstorm theme is really too small, the color is too light, and it makes your eyes go blind. I tried downloading other themes, but the code was garbled. I don't know if there is a solution. The font size has been changed to a larger size, but there are too many colors and I’m afraid the change w...

雯 2019-05-14 17:10:46

Why can't the color of my border box be changed?

I need to create a login form for a random user and the password box needs to turn red (border-color) when the password is incorrect and green when the password is correct. Can you help me with the Javascript code? If I make any mistakes, please forgive my English. Thanks. I tried this but the color...

P粉410239819 2023-09-04 13:43:21