How to update a JavaScript counter on a web page in real time when the browser loses focus?

I'm writing a browser game using HTML, CSS and JavaScript, written in Perl. Health and stamina are saved on the server and I use JavaScript to show the user a live updated count of these stats when the current page loads. This feature works well, but if the user switches tabs or switches to another ...

P粉825079798 2024-01-16 17:40:29 0  1  506

Number counter animation preloader window when loading Javascript Html CSS

I want to create a number counter animation on my portfolio website. I have some jquery code in my old website that transitions from the preloader to the website when fully loaded. <script>$(window).on('load',()=>{$('#preloader').fadeOut(1800,function(){$(this).remove();});}); </script&g...

P粉523625080 2023-09-11 22:37:54 0  1  676

New Title: Compressed HTML Matrix Layout Design Using Pure CSS and HTML

I'm trying to create a logo using pure HTML and CSS. The design is very intuitive, being a [13x13] matrix containing some colored items. CSS is very simple and minor. However, the HTML code has many repeated parts and needs to be DRY (Don'tRepeatYourself). body{width:100vmin;margin:auto}logo{display...

P粉458913655 2023-09-07 21:27:33 0  1  505

cocos2d-x - How to set timer in MVC pattern?

Recently I am trying to develop a Cocos2d-x game using the MVC model. How should the timer (such as the countdown before starting the game) be placed? The countdown int variable must be put into the Model, but where to modify this value? It is processed in the Model and the event is emitted after th...

phpcn_u1582 2017-05-16 17:05:38 0  1  530

JavaScript timer does not update every second

Here is my code to display a countdown timer for otp, but it only displays static values ​​and does not update every second as expected. <?php//Setthetargetendtime(inthisexample,10minutesfromnow)$endTime=time()+(10*60);//Calculatetheremainingtime$remainingTime=$endTime-time();//Displaythere

P粉340980243 2024-04-02 19:04:44 0  1  515

Application of auction product timer in archive page

The auction product timer is working fine on a single store page, I want to add it to the store archive page, but it only shows up on the first product in the store archive and not the rest. Based on the Product Sales End Countdown Timer on WooCommerce Single Product Page answer code, here is my cod...

P粉412533525 2023-09-08 20:00:35 0  1  628

CSS Color Variables - Rules or selectors are required when defining CSS colors

Hello, I'm having the following problem: "At-rule or selector is required when defining CSS colors." I'm using VS Code and I have the following problem: https://jigsaw.w3.org/css-validator/validator#css Checked the CSS and I don't know where the problem is! /*ColorVariables*/$red:red;$gree...

P粉021708275 2023-09-13 11:02:07 0  1  694

objective-c - MBProgressHUD 设置1.2秒后消失 跟真实计数器上计数，时间是超过1.2秒的，这个该怎么解释？急求

MBProgressHUD 设置1.2秒后消失 跟真实计数器上计数，时间是超过1.2秒的，这个该怎么解释？急求。产品要求时间需要精准，不能相差太多，1～2秒的差距就要提这个bug

给我你的怀抱 2017-05-02 09:18:55 0  1  1255

How to create a circular border in CSS where x% is red and the rest is white, where x is a state variable in a JavaScript file?

I'm making a timer app that initially has a white surround around the remaining time in the timer. I want the ring surrounding the remaining time in the timer to gradually turn red, and then turn completely red when the timer runs out. {remainingTime.hours}:{remainingTime.minutes}:{remainingTime.sec...

P粉482108310 2023-07-24 18:47:03 0  1  508

SpeedCubing stopwatch in JS

There is a timer built into the code block. Right now the timer starts/stops via the button, but I need it to run when the space button is released, and I need it to stop when the space button is pressed. I've been trying to solve this problem for about two days now and can't seem to find a solution...

P粉014293738 2023-09-14 09:13:21 0  1  629

How to apply transparency in CSS color variable?

I'm designing an app in electron so I can access CSS variables. I have a color variable defined in vars.css: :root{--color:#f0f0f0;} I want to use this color in main.css but apply some transparency: #element{background:( somehow Using var(--color) and setting some transparency);} How can I do this? ...

P粉348088995 2023-08-20 18:51:07 0  1  458

How to start a second timer in Vuex when the first timer expires?

I have a Vue project and in the Vuex store I have the following state: state:{gameStartTimer:5,counter:false,randomNumber:Number,clickAlert:false} Now, in actions I have the following: actions:{asyncstartCounter({ state}){state.counter=true;state.clickAlert=false;whi

P粉242535777 2024-03-30 14:06:31 0  1  405

Change page refresh timer

I have a specific requirement that my page refreshes after 2 seconds. I have used this code to achieve this - <?php$page=$_SERVER['PHP_SELF'];$sec="2";?><html><head><metahttp-equiv="refresh"content= "<?phpecho$sec?>;URL='

P粉354948724 2024-02-26 15:24:20 0  1  420

javascript - After webpack packages css, it causes js error.

When I introduced css separately into html, the width calculated by js was normal, but when I packaged css and js together, the width calculated by js changed unexpectedly. I was really confused? ? ? 2376px is the normal width when the css file is introduced separately. This is the width of css and ...

我想大声告诉你 2017-05-19 10:13:49 0  2  696

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. Please give me some guidance.

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. I would like to ask for guidance. For example, if you enter: "7+7", the result will be displayed as 14 norma...

会玩的白先森 2018-03-24 16:43:36 0  1  1451

Select/extract nodes of html/text from HTML using CSS selectors

Let's say I'm writing a node script that uses fetch to retrieve html page content into variables. Now I have a CSS selector for something like this. How can I use this to extract html and/or text content recognized by CSS selectors. If there is an existing tool/package that I can leverage, please gi...

P粉356361722 2024-03-19 19:41:22 0  1  432

javascript - In html, images, JS, and CSS obtain resources on the server through the src or url of the tag. Does the server need to write a corresponding response for each resource?

Recently, Xiaobai is learning nodeJS. When I was doing network programming, I thought that the browser first sends an HTTP request to a page through the input address (the server responds to the request and returns an HTML file), and then the pictures, JS, and CSS in the HTML are passed through tags...

为情所困 2017-06-17 09:16:59 0  1  1029

The table will grow horizontally instead of vertically

I'm trying to make a calculator and am currently working on HTML and CSS. I'm trying to make the calculator larger both vertically and horizontally. I can easily increase the width to fit the container using width:100% or flex:11100%; however, whenever I try to increase the height with height:100%; ...

P粉087074897 2023-09-15 17:32:14 0  1  617

Create a virtual host with php programmer toolbox

Use the PHP programmer toolbox to create a virtual host. When testing Thinkphp in the browser, it is not successful, but the absolute path can be displayed successfully? ? ? Use the PHP programmer toolbox to create a virtual host. When testing Thinkphp in the browser, it is not successful, but the a...

徐风莫忆 2019-01-23 10:35:20 0  3  1301

JQ counts down every 10 minutes

The project requires a draw every 10 minutes, which needs to be synchronized with the server time. To prevent cheating, my idea is to use ajax to get the server time every 10 seconds, and then use JQ to compare the countdown. For example, the time I retrieved is 18:02, my lottery draw time is 18:09,...

按键盘手指磨破皮 2017-12-05 18:04:58 0  4  1884