July 2022

if (performance.navigation.type == 1) { alert( “This page is reloaded” ); } … The post js to detect if the page is refreshed (perform an action after each refresh) first appeared on Lenix Blog . This article is reprinted from https://blog.p2hp.com/archives/8917 This site is for inclusion only, and the copyright belongs to the original author.

.at() method on built-in indexables RegExp Match Indices Object.hasOwn Error cause Top-level await Class field declarations Ergonomic brand checks for private fields .at() method on built-in indexables .at method on built-in indexables ? . const cart = [ ‘?’ , … The post ES2022 New Features at a Glance first appeared on Lenix Blog .

The role of the sleep function is to let the thread sleep and wait until the specified time to wake up again. Method 1: This implementation uses a pseudo-infinite loop to block the main thread. Because JS is single threaded. So in this way, the real sleep() can be realized. function sleep(delay) { var start

var ws = new WebSocket(‘ws://localhost:9222/devtools/page/3c5c05fa-80b7-4cfe-8d1d-ebe79a7a5730’); ws.onopen= function() { ws.send(‘{“id”: 1, “method”: “Page.navigate”, “params”: {“url”: “https://www.fangdushi.com”}}’) }; ws.onmessage = function(evt) { console.log(‘Received a message from the server!’+evt.data); }; API documentation address https://chromedevtools.github.io/devtools-protocol/1-2 … The post Chrome debugging WebSocket first appeared on Lenix Blog . This article is reprinted from https://blog.p2hp.com/archives/8911 This site is for inclusion only,

How to check directory size in Linux ubuntu centos du command Reference article: how to check directory size in Linux Used to display the size of a directory or file. Display the current directory file or file occupied space: du Display the size of the specified file or folder: du test.txt Check the space occupied