this is the timer used in the methods method async verScheme(index,row){ var uuid = this.getUuid(); try { let ret = await this.$Api.OperationAccess.SystemAccess.Verification({ id: row.id, uuid : uuid,...
when I do the registration page and send the CAPTCHA countdown, I save the second seconds of the countdown as cookie, so that I can continue to execute the timer when I refresh and leave the page, instead of starting from the heart. but when I use wind...
The js in a js file under a project branch (gh-pages) on github is not executed and can be run locally. my github pages has a second-level domain name, so this project is accessed with second-level domain name demo-name . Code: $(document).ready(f...
think about how update, does it, like facebook, Twitter, or other social networking sites, instant comment, notifications. What kind of techniques are used? If it is too difficult, what kind of technology can do it? I m thinking of ajax+settimeout, but...
<!doctype html> <html> <head> <meta charset="utf-8"> <title>< title> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> < head&...
1. I have defined a canvas animation in the sub-component. When I display this sub-component, I will use setInterval to show the animation effect, but I can find that I can not stop the animation with clearInterval. What is the reason? 2. When you have...
what is the accuracy of setTimeout and setInterval timing? What is the minimum timing millisecond? Is there anything you need to pay attention to? ...
I am a novice. I encountered a little confusion when learning javascript timer. It may be a clich problem, but I still want to ask the elders. The problem and code are as follows: var Cat = function() { var o = { say: function() { ...
how to implement this irregular prompt box for each city as shown in the figure ? if you post a picture directly in each city, some cities will not be able to click on it because it is too dense. ...
is using elementUI as the background. Use the component for uploading pictures. Click the plus sign to add the picture normally. But when the form needs to be re-edited, you need to show these pictures first, and the question is how to do it. ...
as mentioned above, after starting the master-slave Synchronize, the master may not have all the binlog, so how is the original data transmitted to the slave? for example, if there are 5000 data items on master, and then binlog and master-slave Synchron...
the communication protocol used by gatewayworker, is the json format of tcp, communication data, but when var_dump ($message) is used in the onmessage () function, the symbol will be printed out. What does this symbol mean? Why did this happen? Also ask ...
there is a set of data that is connected through parent_id and has a dependency [ { id: 21, parent_id: 2 }, { id: 22, parent_id: 2 } ] ...