there is a function on the mobile phone that needs to be triggered by a double-finger click. Can this function be realized by js
there is a function on the mobile phone that needs to be triggered by a double-finger click. Can this function be realized by js
https://codeshelper.com/a/11... take a look at the implementation of this article.
var dom = document.getElementById('dom');
dom.addEventListener('touchstart', onTouchStart);
function onTouchStart(e) {
var len = e.touches.length;
if (len === 2) {
console.log('');
} else if (len === 1) {
console.log('');
}
}what is the current level of support for vw,vh layouts in mobile browsers? ...
http: shrek.imdevsh.com demo. ask for help: the principle of inertia retardation effect in demo touchmove ...
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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? ...
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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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. ...
as shown in the figure, how to determine that the user clicked on this X, and execute the corresponding method. ...
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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Icon shows the red part. Choose how to write the effect in css ....
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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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? ...