JavaScript Tips: How to Determine Browser Window Position

For various silly reasons, I want to be able to detect a rectangular area of ​​the browser window on the scree...

From [JavaScriptdiscussion group] 2023-08-22 15:53:05 0  2  653

Master the method of random sorting (shuffling) of arrays in JavaScript

I have an array like this: vararr1=["a","b","c","d"]; How do I randomi...

From [JavaScriptdiscussion group] 2023-08-22 14:01:56 0  2  550

How to display the current state of an object in console.log?

In Safari without any add-ons (and indeed in most other browsers), console.log will show the state of the obje...

From [JavaScriptdiscussion group] 2023-08-22 13:37:22 0  2  536

Local Storage: A How-To Guide to Saving and Restoring File Objects

I have an application using HTML5/JavaScript that uses <inputtype="file"accept="image/*;...

From [JavaScriptdiscussion group] 2023-08-22 13:29:16 0  2  504

What is the most efficient way to convert all keys of an object to lowercase?

I came up with the following solution functionkeysToLowerCase(obj){varkeys=Object.keys(obj);varn=keys.length;w...

From [JavaScriptdiscussion group] 2023-08-22 12:42:40 0  2  555

Get the bounding box of a div element: jQuery implementation method

I want to calculate the bounding box of a div element via jQuery/JavaScript. I tried the following code: // Th...

From [JavaScriptdiscussion group] 2023-08-22 11:18:36 0  2  515

How to calculate date difference in JavaScript

I want to calculate the difference between dates in days, hours, minutes, seconds, milliseconds and nanosecond...

From [JavaScriptdiscussion group] 2023-08-22 10:52:21 0  1  477

How do JavaScript closures work?

How do you explain closures to someone who understands the concept of JavaScript closures (e.g. functions, var...

From [JavaScriptdiscussion group] 2023-08-22 10:16:45 0  2  449

Implement horizontal alignment of HTML elements in a div

I have three HTML objects and want to put the Previous button on the left, the Next button on the right, and t...

From [JavaScriptdiscussion group] 2023-08-22 00:03:55 0  2  521

Modify HTTP response in Chrome extension

Is it possible to create a Chrome extension capable of modifying the HTTP response body? I've looked at the Ch...

From [JavaScriptdiscussion group] 2023-08-21 23:44:53 0  2  657

Is it possible to perform a DNS lookup (convert hostname to IP address) using Javascript on the client side?

I want to use Javascript on the client side to perform a DNS lookup (see a hostname to IP address mapping from...

From [JavaScriptdiscussion group] 2023-08-21 22:08:37 0  2  508

Pass variables between HTML pages using JavaScript

I have two pages - "Page 1" and "Page 2". On page 1 there is a textbox with a value of for...

From [JavaScriptdiscussion group] 2023-08-21 22:08:28 0  2  466

JavaScript focus clearing method

I know this shouldn't be difficult, but I can't find the answer on Google. I want to execute a piece of javasc...

From [JavaScriptdiscussion group] 2023-08-21 19:37:32 0  2  430

What is the meaning of the `return` keyword in the `forEach` function?

$('button').click(function(){[1,2,3,4,5].forEach(function(n){if(n==3){//It should break here and not pop up an...

From [JavaScriptdiscussion group] 2023-08-21 17:58:20 0  2  565

JavaScript Tutorial: Using JavaScript to create and read values ​​in cookies

How to create and read the value of a cookie in JavaScript?

From [JavaScriptdiscussion group] 2023-08-21 17:43:22 0  2  508