javascript - How to share data between different browser tabs? Is localStorage and sessionStorage possible?

Overview: After logging in to a system, there is a page to configure some information. After configuring the information, you can continue to operate other pages. However, my general operating habit is to open two tabs. One tab is the configuration page that is always open, and the other tab is alwa...

ringa_lee 2017-05-19 10:11:00 0  4  1138

javascript - How to tell if the user has switched to the current tab?

I noticed that YouTube only starts playing videos when the user switches to the current tab. So when a user opens multiple tabs, how to determine whether the user has switched to the current tab?

三叔 2017-07-05 10:38:13 0  2  872

javascript - A little doubt about nodejs handling concurrency

On a whim, I defined a route in express: {code...} The test is as follows, open N browser tabs; open the first tab and access localhost:3000/, open the second tab and access localhost within 6 seconds :3000/It is found that the first request is before the end of res.send() and the second...

巴扎黑 2017-05-16 13:39:29 0  3  685

Optimize your browsing experience by opening URLs in new tabs or reusing existing URLs where possible

Now I have a link <ahref="blabla"target="_blank">link</a> however, this always opens a new tab. I want the following effect. If the user already has a tab with the same URL, reuse the tab and refresh if possible. Otherwise, open a new tab. How can I achieve this using...

P粉939473759 2023-08-24 19:03:55 0  2  492

javascript - How to add points to the DOM of the page and add it to the DOM element of the main page

The main body of the main page index.html is like this {code...} The sub-page page_1.html has only dom blocks for the convenience of operation, without the Body html tag {code...} There are many such sub-pages page_2.html, page_3. html, page_4.html... {code...} Now I want to...

世界只因有你 2017-05-18 10:46:55 0  3  449

javascript - vue's element-ui (are you hungry UI) externals cannot be separated when webpack is packaged?

The project is a multi-page website based on vue-cli. Because element-ui is packaged into vendor, vendor becomes very large, so I want to reference it to html in the form of script tags and exclude element-ui when packaging in webpack. My webpack is configured with externals { Code...} Other moment ...

漂亮男人 2017-07-05 11:03:44 0  1  1371

Uncaught TypeError: tags.join is not a function.

I have a page with multiple tags stored in an array. I want to edit the page, and when trying to load an array of tags into TagsInput, I get the following error message: Uncaught TypeError: tags.join is not a function. Here is the code snippet related to this error: import { TagsInput } from &quo...

P粉729436537 2023-07-28 13:59:53 0  1  519

After a label sets display to block, its internal content cannot expand the width of a label.

Hello everyone, I am currently learning HTML by myself, and I encountered a problem when writing a page. After setting the display of the a tag to block, the content in the a tag cannot expand the width of the a tag. I checked the code, I don’t know where the problem is. I would like to ask some exp...

风 2021-04-26 16:16:38 0  1  1289

javascript - How to locate which js is called by an action without interrupting point debugging?

It's easy to write your own code to set breakpoints, and Firebug will jump directly to the breakpoint. However, there is often an annoyance. When looking at other people's code, a lot of js is loaded on it. Since js and jquery are usually event-bound, js actions are not directly written in html tags...

滿天的星座 2017-06-26 10:58:40 0  2  686

javascript - The advertising page placed by the company has been hijacked. Is there any way to monitor it?

It should be hijacking by the operator. Only some users will pop up a new tab when opening the advertising page to hijack the customers. Now I want to monitor this behavior. Thank you. There are two kinds: the first one is our advertising page which is a 302 redirect page. They directly Change the r...

高洛峰 2017-06-28 09:22:00 0  4  997

javascript - How to extract styles into a separate file in a vue single-page application?

The problem is that I am currently working on a SAP application, and webpack is configured to extract files. The style is neither extracted into a file nor packaged into js by webpack. Instead, the style tag is generated on the page. Ask God for guidance. Using vue2, webpack2webpack configuration: {...

伊谢尔伦 2017-07-05 10:49:17 0  1  919

Function is called multiple times when using useEffect passed to child React component

I have a page with multiple ChildComponent tags and I want each ChildComponent to be told which API to call based on which ChildComponent the user clicked. onClick() will open a modal. I noticed that when the modal is open, the API call is made twice. When I close the modal, the API call will be mad...

P粉818561682 2024-03-30 15:36:26 0  2  497

javascript - In some video-based h5 pages, how to obtain the video buffering progress or how to preload the video

[Tencent Carnival h5] http://news.qq.com/FERD/jiani... Open the link and you will find that the page has many &lt;video&gt; tags and too many video elements. The video must be edited before the user sees the homepage. Do preloading to prevent lagging, but the video element is different from ...

漂亮男人 2017-05-16 13:30:15 0  1  655

Using JQuery to trigger a click event only when a specific character appears in a paragraph

I have an accordion with some text marked "Important". I want the page to automatically open pages marked "Important" by clicking a button toggle when the page loads. I've used $(".diff__filename:contains('sections/')")) to search for the word "Important" in t...

P粉269530053 2024-02-17 22:23:01 0  1  484

About the integration of hui framework and tp

Teacher, I have inherited the template and loaded it successfully, but some hui functions are affected. Currently, I found two points. First, after selecting a label on the menu page, the menu cannot be selected or highlighted. Second, the menu naturally shrinks. , even if I write the menu to death ...

William韦 2019-07-16 21:06:21 0  0  1065

How to use CSS selectors to target div elements containing specific attributes or tags?

I'm working on a POS system that generates a website. Most of the code is proprietary so I can't edit much. I have an output list of categories with some images floated as categories. I want to hide the first 3 listed on the home page. I tried positioning the containing div using div:nth-child(1), w...

P粉493313067 2024-04-03 22:25:59 0  1  397

Redirect to form and select option only when button clicked - otherwise defaults to standard display of navigation tabs

I have a form on one navigation tab and I link to it from another navigation tab. I'm using the code below to link to all my navigation tabs from multiple pages. consthash=window.location.hash;constbsTab=newbootstrap.Tab(hash);bsTab.show(); It works, but: if possible, I want to remove the hashtag af...

P粉012875927 2024-03-22 10:12:30 0  1  326

javascript - On a mobile device, quickly scroll the screen and then click to stop the scrolling. How to avoid accidentally touching the <a> tag and jumping to other pages when clicking?

1 Question: If you quickly scroll the screen on a mobile device and then click to stop the scrolling, how can you avoid accidentally touching the a tag and jumping to other pages when clicking? 2 This is also a problem actually encountered in front-end development of mobile terminals. To be more spe...

我想大声告诉你 2017-05-24 11:36:49 0  3  846

PHP code is not executed but shown in browser source code

I try to execute some PHP code on the project (using Dreamweaver) but the code is not running. When I check the source code, the PHP code appears as HTML tags (I can see it in the source code). Apache runs fine (I'm using XAMPP) and the PHP page opens correctly, but the PHP code is not executed. Doe...

P粉395056196 2024-01-16 11:07:24 0  2  455

PHP code is not executed but shown in browser source code

I try to execute some PHP code on the project (using Dreamweaver) but the code is not running. When I check the source code, the PHP code appears as HTML tags (I can see it in the source code). Apache runs fine (I'm using XAMPP) and the PHP page opens correctly, but the PHP code is not executed. Doe...

P粉805107717 2024-01-16 10:56:46 0  2  499