A quick implementation is generally as follows: Function.prototype.bind = function (context) { var me = this; var argsArray = Array.prototype.slice.call(arguments); return function () { return me.apply(context, argsArray.slice(1)) ...
I can understand if the server sets the ip, but why does setting the application type to the browser still require whitelist restrictions on the domain name? at this time, the request for Baidu Map API should come from the customer s browser, that is,...
there is a problem when using nginx to configure the front and back end to separate items. The front end is done with react and the routing is in history mode. The nginx configuration is as follows: server { listen 8000; server_name test; ...
the effect you need to achieve is to click on a link and add class= "on " to .bofangqi dd div. The code written by is as follows: $(".bofangqi dd").on("click",function(){ $(this).find("div").addClass( on ).si...
there is such a background system, which is divided into many systems and modules, which involves a lot of operation permissions, and each lander is assigned different permissions, so the operable menus and visible pages are also different. the previo...
make an answer system, trigger the click event on the answer page (choose the correct answer), and add 1. No mistakes. Now the whole answer is finished. Jump to another page, that is, the answer completion page, how can I get the value of the correct ans...
1. If I call the function of js natively, I am not sure what the scope of the function of js is. I packaged the node module with bowseriry and wanted to expose the function I wrote to the native call . For example, the global domain of window,node in the...
I first thought of writing the interface into a method and then calling it somewhere else, but I didn t know how to start methods: { * * getData() { this.$http.get(this.$api.dataChart).then(rsp => { this.data = rsp.data.data; tab co...
1 read in the react-the source code of the bootstrap.But I feel very confused, the open value is how change?The following code dropdown.js Dropdown.propTypes = propTypes; Dropdown.defaultProps = defaultProps; setBsClass ( dropdown , Dropdown); c...
questions about es5 inheriting subconstructor prototypes Line 5 of the code I can understand that the prototype of the fourth line of child constructor is Sub.protorype = new Super () from the parent constructor new, so here Sub.protorype.cons...
1. Scrolling loading cannot be achieved with vue-waterfall,. The first screen displays normally. Scrolling to the bottom does not send ajax, and how to modify the current page 2. The code is as follows: script created ...
apply the transform attribute to a div, and then click it to add a class name, which is also a transform, in the class, but then it moves relative to the original location. How to make her want to move for the current location? ...
want to use vue2.0 to develop a small web application for the company, running on the mobile side. How can the above functions be achieved? ...
like this [array [xxx], array [xxx], array [xxx].] merge all xxx in array into one array [xxx.] ...
There are two areas in the State and Lifecycle section that I don t quite understand 1. State Updates are Merged The merging is shallow, so this.setState ({comments}) leaves this.state.posts intact, but completely replaces this.state.comments. ...
when using scoped components, I follow the tutorial to do an example, but I can t display the components and the content passed. I don t know why? The code is as follows: <div id="G14"> ...
for example, the details page, after sharing, other people open, can only see this page, I did not find a useful way to set API back to a route. You have to write it on the page? ...
original code: $bars[i].style.top =160 - height + sinTable[(ang + (i * freq)) & 4095] * height + px ; $bars[i].style.height = height2 + px ; but it seems that .style is rare, so I m going to use .css instead: var style={ top:160 - heig...
as described in the title. ...
1. Execute npm install-g pm2 2.pm2 pm2 start app.js pm2 3.ln -s root myapp pm2 usr local bin still failed to solve the problem messed up for a long time because no soft connection was created. ln -s root node-v8.9.0-linux-x64 lib node_...
What s the difference between CommonJS,AMD,CMD? What are the applications at the front end? Please give us an in-depth explanation of [gratitude] ....
problem description items produced with iview-cli do not know what to do after packaging, and index_prod.html accesses blank the environmental background of the problems and what methods you have tried the earlier vue project package is different ...
reason R2D bought one with a capacity of 1T when it first came out. description except for being a router, everything else is chicken ribs, which feels useless, and the offline download function is not easy to use expectation is there a raspbe...
if (isShow) { $( -sharpslider ).addClass( show ) } else { $( -sharpslider ).removeClass( show ) } I don t know how to simplify ...
my requirement is: the Android side requests the background interface, and then the background interface makes the background management system page pop-up dialog box, how to achieve it? as shown in the figure, the background interface is written i...