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What is the current level of support for vw,vh layouts in mobile browsers?
what is the current level of support for vw,vh layouts in mobile browsers? ...
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Js touchmove inertial retardation
http: shrek.imdevsh.com demo.
ask for help: the principle of inertia retardation effect in demo touchmove
...
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How to set callback for web direct pass of Tencent Cloud COS?
I ve been looking for it for a long time, but I can t find it.
1. After the direct upload of web is completed, the server cannot know whether the file was uploaded successfully, who uploaded it, and the information of the file
2. Using web to dire...
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Can I rewrite the request path with http-proxy-middleware
for example, I request localhost:8080 a b c.cd
proxy to http: www.aaaa.com api
can you change a b c.cd to a b c , before proxy?
means that the agent rewrites the original path before.
...
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A div content needs to appear at the bottom of the parent element (with overflow-y:scroll set) at all times to ensure that the chat message is up-to-date in the chat box.
question 1. The project is a chat application, which needs to display the latest news in the chat window in real time. Using the scrollIntoView method id div for bottom, I want to put it at the bottom. As long as it can be displayed, other chat message...
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The problem of this pointing in js
var myNumber = {
value: 1,
add: function(i){
var helper = function(i){
console.log(this);
this.value += i;
}
helper(i);
}
}
myNumber.add(1);
Why does this this point to window?? The add method called by the myNumber o...
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Vue requests to change the background-image, because it takes a long time to render, and the background color is white for a period of time.
Click the button to show that (Bing s daily wallpaper) is successful, and then when the background of the page changes, it takes time to render, and there will be a white background color. How to solve this? ...
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Linux failed to install pm2!
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_...
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How to use the mobile SPA developed by vue2.0 to call the navigation and calling function of the mobile phone?
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? ...
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Vue.js realizes the specification selection function of commodity details page.
vue.js implements specification selection on product details page Click to select version option and click to select color option. Highlight has been selected. How to display the selected version and color
html Code < div class= "chose-ck " >
: ...
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Ios embedded h5 page input box click on the blank space will not lose focus the soft keyboard will not be put away
ios embedded h5 page input box will not lose focus if you click on the blank space. The soft keyboard will not fold. what should I do? try to bind the click event to document. If the input box loses focus when you click, it is still invalid. ...
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How to listen for events when a browser closes a page
as shown in the figure, how to determine that the user clicked on this X, and execute the corresponding method.
...
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A problem of js inheritance
var a = {0:"A",1:"B",2:"C",length:3};
var newa = Array.prototype.slice.call(a);
console.log(newa);
my understanding of this example is that the an object inherits and executes Array s slice method, but the slice method...
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What is the difference between the script written by the js file and the script written by the < srcipt > tag?
what s the difference between writing JavaScript code in a js file and writing code in < srcipt > < srcipt >? Why can I introduce other js files as require in the js file and do report an error in the < srcipt > tag . ...
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As shown in the red border, select the effect of input.
Icon shows the red part. Choose how to write the effect in css ....
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How to ensure the unity of login session in js project
We are Mini Program s project. To get the code logged in by Wechat, request the backend api to get the sessionkey. But if it is a concurrent request, if it happens to expire at this time, and several requests go to get the sessionkey at the same time, t...
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How to solve this asynchronous problem? Why is the array out of console.log always o?
o
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WeChat Mini Programs interceptor
brief: because Mini Program s project uses wepy s framework, but you don t quite understand that the role of this interceptor is to integrate all the interfaces? Or? ...
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When installing vue, initialize the project and this pit appears
win7 system, scaffolding vue-cli has been installed, there is a version, but the initialization project appears this hole, cannot verify this certificate? Please help
...
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How does the H5 page evoke the mobile phone soft keyboard as soon as it enters the page?
Mobile input focus cannot directly evoke the mobile phone keyboard, what is the related auxiliary operation? Simple H5 page, do not use any framework, how to automatically evoke the soft keyboard? ...
