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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

I would like to ask if PHP can develop green Internet software or scripts?

The customer wants to develop a green Internet software, so I would like to ask if PHP can develop a green Internet software or script? Anyone who knows please reply, thank you.

HNdeveloper 2022-07-27 00:02:24

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

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

Validate a field's constraint annotation against another field

I have this entity class in Symfony/5.4: using Doctrine\ORM\Mapping as ORM; using Symfony\Component\Validator\Constraints as Assert. class Assignments { public const SALARY_RANGES = ['Red', 'Green', null]; /** * @ORM

P粉321676640 2023-07-23 17:52:28

Please give the teacher some guidance!

<?phpfunction BG($B,$G = Green){ $i = 1; while ( $i < 10) { echo '<table width="800" border = "1" >'; if ($i%1 == 0) { echo "<tr bgcolor = '$G

梅川内库 2017-09-08 00:20:18

python - How to do port monitoring.

Windows, how to do something similar to phpstudy. If the port is killed, the light will turn red... If the port is monitored, it will turn green... And it is real-time... Please give me some guidance...

为情所困 2017-06-30 09:54:51

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

Rewrite the title as: Group main array and add fields and subarrays in each grouping

I have a heavy array like this: [{Id:1,Name:'Red',optionName:'Color'},{Id:2,Name:'Yellow',optionName:'Color'},{Id:3 ,Name:'Blue',optionName:'Color'},{Id:4,Name:'Green',optionName:'Color'},{Id:7,Name:'Black',optionName:'C

P粉190443691 2023-08-24 21:18:20

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

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

How to remove gray "border" on HTML buttons

I see a border around a button on an HTML web page. I'm trying to make one button blue and one green and place them on a table. The code is as follows: <tablealign="center"><trstyle="font-family:verdana;font-size:24px;"><th>SelectyourRegion</th></tr&...

P粉986028039 2024-03-30 10:30:48

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 - WeChat applet calls external map program

I want to call the Baidu map installed on my mobile phone within the mini program, what should I do? {Code...} This interface can open the built-in map and then click the green button to pop up a list and call the map app installed on the phone. Can the function of this button be implemented by myse...

三叔 2017-07-05 10:38:41

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

When applying TailwindCSS styles in Next.js, I encounter the problem that the styles are not rendered.

Setting the background cover using TailwindCSS, I extracted the color from the bookId (10 digits) in useEffect. The colors get updated and the component re-renders with the updated color values, but the background color of the rendered page is still the same color of its parent div. constcolors=['fr...

P粉933003350 2023-08-27 09:05:26

JavaScript: Modify the color/size, etc. of dynamically created buttons

I have created dynamic buttons in vuejs where each button represents a different answer to a question. My goal is: when I answer incorrectly, the correct option is highlighted in green until the next question is shown. Is it possible to change other settings of these "BaseButtons" using CS...

P粉085689707 2024-02-17 14:35:03

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