as shown in the figure, the following button subcomponents are referenced on the page, the first is online and selected, the second is online unselected, and the third is offline. Whether the button is returned in the online background, only the online ...
I post my code directly: parent component: <v-header :title="title" :menu-display="menuDisplay" :map-display="mapDisplay" :back-display="backDisplay">< v-header> <script> import header from ...
this.$parent.attribute is a undefined problem in vue vue2.9.6 <template> <el-container> <h1>{{say}}< h1><br> <button @click= changeChild >changeChild< button> <child-component ref="child"&...
encapsulates a table component , and the parameters have column header array , which defines the fields to be bound. The problem now is that I need to pass a filter to the table component, passing the filter name of the String type, but how to use t...
In vue, when the account input and password input of the login page communicate between two different components, how to verify the login through axios? do you need to create a new login interface at this time? ...
requirements: use Nodejs to send buffer (read data returned from files) type data to the backend through http.request using post type, and the backend is the Django framework. question: requestpostchunkNoderequest.write(buffer),post Nodej...
any screen on ios can be adaptive, but it is not compatible on android. I tested it with Huawei P10. The width and height of view is the same as that of view on iphone5, and both are 320px ....
excuse me, can the code in front-end development break points ...
the scenario is like this. I need to use canvas to generate an image, which can be achieved by zooming in on the canvas and drawing elements, but this causes the width and height of the generated image to be scaled up proportionally, and the resulting i...
JIM is not defined;at pages record record page lifeCycleMethod onLoad function ReferenceError: JIM is not defined ** * -- * onLoad: function (option) { wx.showLoading({ title: , mask: true }); JIM.login({...