Are parameters passed in JavaScript by value or by reference?

Primitive types (numbers, strings, etc.) are passed by value, but objects are unknown since they can either be...

From [JavaScriptdiscussion group] 2023-08-21 15:57:16 0  1  635

Is there a problem with floating point arithmetic?

Consider the following code: 0.1+0.2==0.3->false0.1+0.2->0.30000000000000004 Why do these inaccu...

From [JavaScriptdiscussion group] 2023-08-21 15:24:30 0  2  607

The most efficient way to group object arrays

What is the most efficient way to group objects in an array? For example, given the following array of objects...

From [JavaScriptdiscussion group] 2023-08-21 14:34:06 0  2  659

How to get the value of promise?

I'm looking at the Angular documentation for examples about $q, but I think this might work for promises in ge...

From [JavaScriptdiscussion group] 2023-08-21 13:47:33 0  2  508

Upload POST data with files using cURL

I want to use cURL not only to send data parameters in HTTPPOST but also to upload a file with a specific form...

From [JavaScriptdiscussion group] 2023-08-21 12:39:00 0  2  563

Sort an array of objects based on property values

I got the following objects using AJAX and stored them in an array: varhomes=[{"h_id":"3",...

From [JavaScriptdiscussion group] 2023-08-21 12:42:00 0  2  625

How to append text inside a div element?

I'm using AJAX to append data to a <div> element, which I'm populating via JavaScript. How do I ...

From [JavaScriptdiscussion group] 2023-08-21 11:31:02 0  2  533

How to remove query string parameters in JavaScript?

Is there a better way to remove parameters from a URL string's query string than standard JavaScript using reg...

From [JavaScriptdiscussion group] 2023-08-20 18:46:10 0  2  566

Does JavaScript guarantee the order of object properties?

If I create an object like this: varobj={};obj.prop1="Foo";obj.prop2="Bar";will the result...

From [JavaScriptdiscussion group] 2023-08-20 17:42:13 0  2  533

How to implement automatic audio playback in Chrome browser

Audio autoplay works in Mozilla, Microsoft Edge, and older versions of Google Chrome, but it cannot autoplay i...

From [JavaScriptdiscussion group] 2023-08-20 17:12:40 0  1  1421

"What does this word mean?"

I'm trying to pop a return value from a function, and in the popup box I get: [objectObject] This is the JavaS...

From [JavaScriptdiscussion group] 2023-08-20 16:52:15 0  2  479

The rewritten title is: Calculate age based on date of birth in YYYYMMDD format

How to calculate age based on date of birth in format YYYYMMDD? Is it possible to use Date() function? I'm loo...

From [JavaScriptdiscussion group] 2023-08-20 16:03:39 0  2  516

JavaScript Trick: How to efficiently detect touch screen devices?

I wrote a jQuery plugin that works on desktop and mobile devices. I'm wondering if there is a way to detect if...

From [JavaScriptdiscussion group] 2023-08-20 15:26:32 0  2  743

How to style the options of the HTML "select" element?

This is my HTML code: <selectid="ddlProducts"name="ddProducts"><optio...

From [JavaScriptdiscussion group] 2023-08-20 12:33:38 0  2  520

Get: Transfer JSON data

I'm trying to POST a JSON object using the fetch method. From my understanding, I need to append a stringified...

From [JavaScriptdiscussion group] 2023-08-20 11:57:23 0  2  655