Can you new objects in the data of vue

  data: function () {
    class baseObj{
        constructor(src){
            this.flag=true,
            this.mapvLayer=null,
        //   this.data=null,
            this.total=0,
            this.src=require(src)            
        }
    }      
    return {
      //
    //   history:{
    //       flag:true,
    //       mapvLayer:null,
    //       data:null,
    //       total:0,
    //       src:require("../../../../assets/images/map_people.png")
    //   },
      history:new baseObj("../../../../assets/images/map_people.png"),

reported this wrong: Cannot find module "."
is this all right? later, I wrote that class into a js file alone, and it didn"t seem to work to import it. I asked for a great god

Typescript html5 javascript

Apr.03,2021

Yes, the problem lies in your other code, not here. Here is

you can new object
in the data of vue. Your problem here is that the resource of require is a variable this.src=require (src)

require should only be a static path, not a dynamic variable

Previous: How does Android ensure that "touch events" and "mouse events" coexist?

Next: Does it affect disk efficiency that two java processes read a file at the same time (for a long time)?

Jsonp cross-domain request, if the website where the resource is located is limited, how to deal with the data that cannot be requested?
data cannot be returned when using a jsonp request. Because the site has made restrictions, you can only request under this domain name to get the data. could you tell me how to solve this problem? or there are other cross-domain methods that can solve...

React.js less typescript html5 javascript

Feb.28,2021
How does primeNG use mixed Chart
primeNG uses chart.js as a chart, and a separate chart.js can use a mixed chart. I would like to ask primeNG how to use a mixed chart. template < p-chart type= "scatter " [data] = "data " [options] = "options " > < p-chart > I write as chart.j...

Typescript html5 javascript chart.js angular4

Mar.06,2021
How Angular4 encapsulates Echarts
encountered some problems when encapsulating Echarts with Angular4, the train of thought is not clear enough, have you tried it, or corresponding examples? ...

Node.js typescript html5 javascript

Mar.09,2021
How to get elements of multiple arrays with the same index to form a new array by js
[1,1],[2,2],[3,3],[4,4] ...

Typescript html5 javascript

Mar.10,2021
How to remove quotation marks from js key
function duplicates(arr) { var obj = {}; var newArr = []; for (var i in arr){ if(obj[arr[i]]){ obj[arr[i]]PP; } else{ obj[arr[i]]=1; } } ...

Chrome coffeescript typescript html5 javascript

Mar.14,2021
The problem that Ant Design does not take effect after "demand loading" configuration
create a react project with create-react-app. If you want to use ant-design, the UI library, the official website describes loading on demand as follows: http: ant.design docs react . how exactly does this "load on demand " use Tendt ...

React.js typescript html5 javascript node.js

Mar.15,2021
What if Filter drops objects with duplicate attributes in the array?
RT for example: const demo = [ { a:1, b:4 }, { a:2, b:4 }, { a:3, b:5 }, ] now you want to drop {acode 1, bazaar 4} or {acode 2, bazaar 4} in demo, just leave one of them and return a new array. Is there any quick way for ES6 to get back to...

Node.js typescript html5 javascript

Mar.22,2021
Ionic3 uses videogular2 video playback function to report an error
1. Because of the need of the project, we need a video playback function. After Baidu, many people recommend using videogular2, but report errors when using it . paste my code: training-start.Module.ts code: import {NgModule} from @ angular core ;...

Typescript html5 javascript

Apr.24,2021
About the use of render in Vue
the use of iview, in which I want to register the component with a upload upload button, but with the render function, I can t write. I haven t written it after trying for a long time. Boss, take a look at it . { align: center , title: , render...

Node.js typescript html5 javascript vue.js

Dec.04,2021
Can cloned elements be updated immediately with cloned elements?
$(this).parent().parent().parent().clone(true).appendTo($(".f-top>.f-content")) Clone a data according to the requirement page. The original data is hidden, but the original data will change. At this time, the cloned data also needs to be...

Java python typescript html5 javascript

Feb.22,2022
Function execution problems in delegate events and normal binding events
The code is as follows: $(".password").on("keydown", function(e) { if (e.keyCode === 13 && !e.ctrlKey) { e.preventDefault(); $( .loading-btn ).click(denlu()); } }) $(&q...

Less sass typescript html5 javascript

Mar.03,2022
Element ui time range selector, how to set the maximum time difference
Element ui time range selector, how to set the maximum time gap to 2 hours. For example, if I choose the start time at 18:00 and the end time at 24:00, I automatically change the 4 start time to 22:00. I have implemented this function on my own before, b...

Node.js typescript html5 javascript

Apr.14,2022
What is a better two-way data binding scheme for native Mini Program?
that is, if the value bound on the page changes, the value in data can also be changed accordingly, now I mainly don t want to write about input events. want it to change automatically, is there any way, bosses? ...

Typescript html5 javascript WeChat-Mini-Programs Mini-Program

May.14,2022
The Button component of antui, in which the htmlType= "submit", reports an error
problem description React does not recognize the htmlType prop on a DOM element. If you intentionally want it to appear in the DOM as a custom attribute, spell it as lowercase htmltype instead. If you accidentally passed it from a parent component...

Html react.js typescript html5 javascript

May.20,2022
There are a lot of if else in js and there is not much relationship between these if else. How do you optimize the code?
The code has more than 3, 000 lines, and many if else are careful and error-prone every time they make a version judgment. Are there any optimization ideas and methods? The code cannot be copied and the smart photo is taken . ...

Typescript html5 javascript

May.22,2022

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b39a66-2aef3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b39a66-2aef3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?