use promise encapsulation ...
var input=$ ( "input ") for (iTuno political I < input.length;iPP) { input [I] .css ( "background ", "red "); } Why can t you write like this? I haven t found it for a long time ...
I don t understand why this is window in this broken code. Thank you for your understanding. Thank you. var o = { fn:() => { console.log(this) } } o.fn() ...
ask why the DOM leak and timer leak are two memory leaks? LeafRef is a child node of treeFre in the COM tree. Is its internal data structure a child node-> parent node, or a parent node-> child node? underlying DOM leak when the original DOM is remov...
each time nuxt uses keep-alive, to switch pages, it will empty the data in data, which is inconsistent with the performance of keep-alive in normal vue-cli-built projects. for example, the asynchronously acquired data I loaded in list is switched to i...
< H1 > problem description < H1 > while writing transition animation, I inadvertently found that sometimes the page would jam, and the Chrome memory of the viewing task manager suddenly soared. After various exclusions, I found that transform:skew (9...
opening the local address with safari in Xcode simulator can t catch the package (charles), but you can catch it by opening any other website. You can also catch it by directly accessing the local address with chrome without simulator,. I wonder if a...
function People(name){ this.name=name; this.Introduce=function(){ console.log("My name is "+this.name); } } People.Run=function(){ console.log(...
when I save the mavon-editor edited content to the database, I still want to put it in the editor to continue editing, but I found that the bound value mavon-editor is directly output to me as is, what should I do? <mavon-editor v-model="commen...
recently I was learning jwt, but encountered a problem. the user enters the user name and password and sends it to the server, which encrypts it and returns it to token, with this token for every front-end request. so I have a problem: if the user ent...
loading pictures on Baidu Maps can be displayed on win7 computers, but not on win10. ...
ask how to write a native js plug-in that supports the cmd,amd,commonjs specification ...
for example, I set currentTime=20S, to start playing the video at 15s, and the address of my video is http: www.amdcu.net admin da.....
how to achieve this, click the button once, the picture is rotated 90 degrees, and the rotated picture adapts to the width and height in the container. css3 s transform:rotate () rotates around the center of the image, so that if it is a rectangular i...
get the attributes in vuex in computed in the vue component, and then send the request using the properties in state in the created life hook. It is found that the parameters are not obtained when mounted sends the request, and the page is updated only ...
Vue the first button clicks to jump out of the countdown, and the second button clicks to jump out of the fixed data, but the data that pops out suddenly jumps back to the automatic countdown var app = new Vue ({ el: -sharpapp , data:{ ite...
in the project, request background data through ajax and do data processing. Finally, the processed data will be returned. The code looks like this: function funOne(){ var htmlStr = ; $.get(href,{},function(r){ var data = eval( ( ...
there are many div elements with the same class= "demo " class name in the page, but not all of them are in the same parent element. How to use css to select the first div? whose class is demo ...
found a JS scheme that uses canvas to generate thumbnails on the Internet, which can generate thumbnails, but in some cases, the generated thumbnails are black and you can t see what the original thumbnails look like. Because the previous paragraph is ...
in order to decode the aac audio stream sent from the background under ie11, I convert it to a blob address through URL.createObjectURL and assign it to the src of the audio element. This method can be used in Google browsers to play audio streams, but I...
when working on a project with reference to the materials on the Internet, if the last step of generating a kill order to the database fails because of the database itself, but the inventory in redis has been reduced and redis can not be rolled back, how...
this article https: blog.csdn.net chunlon.: failed to send a message to the message middleware. Does the sender not know that the message middleware really did not receive the message? Or has the message been received, but failed to return response?...
questions are as follows: Among the options, D different programming languages can run normally on the JAVA virtual machine as long as legitimate class files are compiled. is that right? I think it s incredible . can I write a python or Cmurs...
< template > < el-main > <h1>< h1> <ul> <li v-for= news in tableData ><router-link :to=" schoolnotice +news.newsID">{{news.title}}< router-link><span>{{news.publishTime}}< span>< li&...
solution: use Windows.print () to print all the table, styles in iview, and you can t get the data when you click on print for the first time. Can you tell me if there is any great god? thank you . ...