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Countdown, click event?
A timing examination system is triggered if the click event is triggered within 5 seconds, and if it is not triggered, the system marks the correct answer at the end of the countdown. How to implement ...
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On the problem of regular matching
description: a regular match is given to the content of an input box, and the matching content is the product activation code. looks like this: "0C31-0B81-BB32-3094-0C31-0B81-BB32-3094 "
Code:
$( -sharplicenseCode ).keyup(function () {
le...
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Problems with Chrome downloading using window.open ()
I configured the MIME type of the file with the amr suffix in the apache configuration as application ms-download, Why it is a garbled page when opening a file in amr format using window.open in chrome, while a file in amr format can be successfully dow...
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Multiple choice questions, how to judge whether the chosen answer is the correct answer?
I got a set of data, which is to choose the type of question. How can I tell if I have chosen the right one
answera: "Olympic Games " answerb: "Asian Games " answerc: "Paralympic Games " answerd: "University Games " id: "1772 " question: "f...
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Why not pause after alert, but immediately refresh the address, this alert is written by yourself?
...
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The problem of uploading attachments to the mobile version
do the gods have plug-ins for uploading attachments in the mobile version that can also be uploaded more than one? ...
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Wechat H5 sharing discovery icon and description invalidation
wrote an H5 page. According to the official description of Wechat jssdk, it is found that the shared icons and descriptions are invalid. the code is like this ....
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What is the current level of support for vw,vh layouts in mobile browsers?
what is the current level of support for vw,vh layouts in mobile browsers? ...
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Running npm run dev on nuxt will report an error as follows
...
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How to implement fixed positioning relative to a specified parent element
the traditional position: fixed; is relative to the window, and there are two main points of the problem .
relative to the specified parent element
fixed positioning
encountered the following problems in mobile development. The green box is the...
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In learning react, I encountered the function super.
this method is included in the constructor of most components, so what exactly is this method for
constructor(props,context){
super(props,context)
}
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1045 Access denied for user 'root'@'localhost'
adopt a reward of 10 yuan, 1045 Access denied for user root @ localhost (using password:NO)
recently, when I was at the front end of my self-study, I came into contact with a little bit of database. This happened when I made a new connection on ...
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Hurry! How to change the domain name of Aliyun Yunmeng?
the original domain name of our company s website has expired. I want to change it to another domain name. How can I change it? The website is developed using Aliyun s Yunmeng. ...
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What fullpage plug-in with arrows and dot navigation
as shown in the red box of the second picture, is there any recommendation for this plug-in? Thank you. the screenshot is uploaded, so let s just look at it.
nothing can be found in vueawesome.
...
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Js touchmove inertial retardation
http: shrek.imdevsh.com demo.
ask for help: the principle of inertia retardation effect in demo touchmove
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Clear floating and flex layout
I would like to ask why the clear floating code I wrote is invalid. and. How to use the flex layout to make the horizontal arrangement of the above two div fill the entire screen. The third div is filled with the bottom location. code is as follows: `...
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Let table be able to separate different colors?
want to explain how to make table different colors? is not different. is .
<table>
<tr>
<td width="100">a< td>
<td><a>< td>
< tr>
<tr>
...
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How to set callback for web direct pass of Tencent Cloud COS?
I ve been looking for it for a long time, but I can t find it.
1. After the direct upload of web is completed, the server cannot know whether the file was uploaded successfully, who uploaded it, and the information of the file
2. Using web to dire...
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How to use h5 to generate a button to open Wechat in Weibo
is not to analyze user browsers, but to evoke Wechat app in Weibo app and open a link with Wechat app; WeChat Work can have this function, whether Weibo has a similar configuration.
...
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How to get user id?
there is an h5 page embedded in the encapsulated APP. After the function of issuing an order, how can I get the user s id to add the address and place the order ...