using vue-video-player for video playback requires playlist function. It is found that there are playlist and playlist-ui modules in the plugin of videojs, so try to introduce: directly into the playback component. has tried to load globally in mai...
command + option + L could you tell me how to make it recognize the symbol = >? Thank you. ...
var x = 1; function foo(x, y = function() { x = 2; }) { var x = 3; y(); console.log(x); } foo() 3 x 1 the above is the penultimate example of the scope of the function in the book introduction to es6 written by teacher Ruan Yifeng . Teache...
in a vue template referenced by a rails project, when reading the code to find data, it is found that there is a data that comes from this export const activeFile = state => state.openFiles.find(file => file.active) || null; I don t understand ...
objA = { "D ": { "title ": "D ", "val ": 1, "unit ": "bar "}, "C ": { "title ": "C ", "val ": 1, "unit ": "bar "}, "B ": { "title ": "B ", "val ": 1, "unit ": "bar "}, "Group A ": { "title ": "A " "upper right earth pressure ": { "...
the hair hair doctor, the Master Satan, flew over the place on time ...
JS has improved variables and functions. Online data say that this stage is precompilation preprocessing preinterpretation, but JS is an explanatory language. Is it appropriate to say "precompilation " ? ...
let first = { a: 1 , b: 2 }, second = { b: 3 , c: 4 }; let third = { ...first, ...second }; console.log(third); Code as above, run the instruction: babel-node js.js, and the error message is as follows: what went wrong? ...
there is such a requirement: < div id= "demo " > < div > This element appears when the page enters, then disappears after 5 seconds, appears after an interval of 8 seconds, and disappears again after 5 seconds, repeating this process. my idea is ...
I have several asynchronous function operations, but I want these asynchronous operations to be performed sequentially, I want to use queues, and each function needs to pass parameters. I think of the middleware of koa2, but how do I implement it? Or is ...
get prop() { return this.list } set prop(pm = {}) { ReqApi.get({ url: Urls.GET_ENQUIRYLIST, pm }) .then(res => { this.list = res.list }) } this doesn t seem to work! ...
such as the title. If you implement ES6 built-in feature Set, without using other es6 API (such as Map) if you want to write a Set that class imitates, should the underlying data structure use array or Object? ...
recently working on vue-based mobile projects, need to use a rich text editor, need some simple functions, text editing, pictures, videos, etc., to find a qeditor on the Internet. (this is a js file that depends on jquery) I try to cancel iife (self-...
first give an example:: const testFun = () = > { let testParams const sonFun = () => { testParams = 3 } console.log(testParams) } how can I console the value of testParams if I write it like this? ...
task taskstatusstatus websocketstatus: now I just want to insert the following column of data into the previous data according to their id match and display it as a column of the table. I don t know if any god has any good solution, but my concubine...
var x = 1; function foo(x, y = function() { x = 2; }) { var x = 3; y(); console.log(x); } foo() 3 x 1 if the function assigned by y is externally defined, why is the last global x 1 ; why does, foo () print 3 if the function assigned by...
In the js template engine, where does the data come from and how the page does not have the variable isAdmin? you can refer to directly. < script id= "content " type= "text html " > {{if isAdmin}} <h1>{{title}}< h1> <ul> ...
using css moudules, I encountered the problem of requiring multiple css classes as follows <div className={this.state.showall?...[style.TopBannerBox,style.actAll]:style.TopBannerBox}> can t you use it this way? This makes the report wrong. ...
var str = "abc-a,add-a,ccc-b,ccc-d,abc-a,abc-b,abc-f,tbg-g "; convert the above string to the following array form: var arr = [ {"name" : "abc", "nameIdx":[{"site" : "a"}]}, {"name"...
what if the decryption string using jsencrypt is too long and the decryption content is solved by Null? address jsencrypt: https: github.com travist js. website has found some but can not use many incomplete to solve this problem. import JSEncrypt ...
Why did spring fail to automatically match fields? Wechat s front end reads as follows: Java: ...
after switching the bottom navigation, the new page still uses the default color, so does this api only set the top style of the current page? Is there any other way to implement all the style changes at the top of the page? ...
var scroll_Height = $( -sharpcontent ).get(0).scrollHeight; $( -sharpcontent ).css( height ,scroll_Height + px ); $( -sharpcontent ).on( input , function() { var scroll_Height = $( -sharpcontent ).get(0).scrollHeight; ...
problem description The value of the vue element-ui checkbox is duplicated. Choosing one will select the other the environmental background of the problems and what methods you have tried the values of the two multiboxes are the same, and so are t...
the company does live broadcasting related projects. There is a list of online viewers. updates in real time , which is maintained on the page by the front end . the current practice is to write a structure with push, remove, sort, sync , responsible...