JavaScript - jQuery - Ajax - Page 2

Toggling localStorage item 924 1

» Marius

I want to create a toggle function for my localStorage where I want it to remember the user's choice.
I want it load the current preference on page...

Last post » Admin

You can't keep boolean in localStorage. That's why you have an error. Try to keep, for example, 0 for False and 1 for True. But remember that...

How to set a loading time of the website 911 1

» Marius

I've a website loader in GIF format but it doesn't appear because the page is loaded in 0.01 seconds.
Is there possible to set a loading time to 2...

Last post » Admin

Here is an example of a preloader with jQuery using the delay() method (2 sec = 2000), wrapped inside the 'load' event.

<style>
.loading...

Dot product of two arrays in Javascript 1564 1

» Marius

What's an efficient way of implementing the dotProduct method (to get the Dot product of two arrays) without importing any new Javascript libraries?...

Last post » Admin

Here is a method.
Use the map() function to create a new array with multiplied results of each index and the reduce() function to sum the values of...

Push an array into the same array JS 901 1

» Marius

I'm trying to push an array into the same array in javascript, But it doesn't seem to be working; the third element is added continuously.
Here is...

Last post » Admin

You are trying to push the same reference to the array. So, when the array updated later, the array inside the element will be updated as well.
To...

Split an array of objects into separate arrays 3395 1

» Marius

I have an array of objects, and for plotting a graph I need to split it into 3 different arrays. How to do it using JS?

const dataOverview = ;

I...

Last post » Admin

It is very simple, you just use the map() function.

var series1 = dataOverview.map(x => x.series1);
var series2 = dataOverview.map(x =>...

Problem with 'this' in function.call() in JavaScript 1004 1

» Marius

Why the function.call() behaves differently with and without ' this ', in JavaScript?
The result with 'this' in test.call() is same when 'this' is...

Last post » Admin

The call() function require the first parameter as 'this' object, if you do not need it, just pass null .

test.call(null, ...args);

In your...

Converting a salary input string to number 928 1

» Marius

I have the following problem:
1. eliminate thousand separators(,) 5,555 to 5555.
2. if the user inputs 55,66 replace , with . and get the value...

Last post » Admin

Try the function from the following code:

function salNr(s){
//If there is comma before the last two digit, replace it with dot, else remove...

Execution order with jQuery-AJAX 1032 1

» Marius

I have this code (ajax is async):

function echoHello(){
return $.ajax({
//this will return hello ;
});
}

function echoWorld(){
return world...

Last post » Admin

Ajax makes a call to the web server and is asynchronous. You don't know how long it will take. It is the same as:

setTimeout(_ => {...

How to change key in JS object 1062 1

» Marius

I have a question: i want to change keys into a JavaScript object if their value is number, for example, I have the following object:

const...

Last post » Admin

To change a key into a JavaScript object, you need to clone the value with the new key, and then you delete the old key in the object.

const...

Invert key value in js object 850 1

» Marius

I can't figure out how I can change the following object in JavaScript:

{ first : , second : , third : }

to:

{ de : , ab : }

I want to...

Last post » Admin

You have to loop the array and for each item in the array check if an array for that value exists in the accumulator or not before adding it:...

Reverse the characters added in text field 1303 1

» Marius

I have the following html and JavaScript code. An input text box and a button.

<input type='text' id='backwards-input'>
<button...

Last post » Admin

Try use and study the following code:

<input type='text' id='backwards-input'>
<button id='backwards-button'>Button</button>...

Random object from multiple arrays with percent chance in JS 2622 1

» Marius

I have 3 arrays of objects in JavaScript:

const fruits =

const car =

const books =

One temporary array where I will store random objects...

Last post » Admin

You need to get two random numbers:
- the first to decide which group to pick,
- the second to pick an item from that.

We generate a random...

Javascript add different text to each minute of hour 1450 1

» JanMolendijk

Hello Coursesweb I`m unknown with javascripts ????

I would like to add function minutes to this script
on each minute an diferent text added to...

Last post » Admin

Hello,
Try the following script.

<div id='addtxtmin' style='color:#00d; font-size:20px; font-weight:700'></div>
<script>
const...

javascript add image to varible 1475 4

» JanMolendijk

Hello Coursesweb I do not known mutch about javascipts
& for view hours I gambling to try to get images in this javascript

I try with...

Last post » JanMolendijk

You had the best support on the internet,
mutch better then stackoverflow.

i learnt alot from you it was really valuable
+ Thanks for all you...

Uncaught TypeError: Cannot set property innerHTML of null 3036 2

» PloMar

I have this JS script:
<script>
function blockToggle(type,blockee,elem){
var conf = confirm( Press OK to confirm the ' +type+ ' action );...

Last post » warrenfelsh

In JavaScript almost everything is an object, null and undefined are exception. When you try to access an undefined variable it always returns...

Keep background for all pages after it is set 1079 7

» JanMolendijk

Hello Coursesweb I`m buisy to setup an darkmode for my website
But when I wanna use an hyperlink to another page I would like
to set automatic the...

Last post » JanMolendijk

I thought about this meight you can make a rubric
for scripts + tips from others meight it is usefull

Sometimes I surf for something specifiek...

How to get text from javascript alert box 2323 2

» JanMolendijk

Good evening (dutch-time) I have a javascript what can copy text to a clip-board + it has a button to show the item-list in a alert-box.

But can`t...

Last post » JanMolendijk

Thanks for the support I tried already things with history + f_print
also studied those a little before I asked coursesweb but I shall
when my head...

Delete Data without Refreshing Page 2075 4

» JanMolendijk

Happy New Year Chief.... My first two weeks I spended on bed due to illness

I wanna use a script but it does not delete the item from my sql...

Last post » JanMolendijk

O God that I did not see this `stupido me`....

Thank you very much for all the support `its working now`

Get id from url in javascript 3341 7

» JanMolendijk

Last time you learnt me how to add an id from url to a javascript
but by this script it is not working what do I do wrong ????

<?php...

Last post » Admin

Maybe there is some mistake in other part of your script.
Check to see if there is any js error in browser console, F12.
What value it shows in...

Filter html table with multiple search in two columns 5113 1

» Marius

I'm trying to do this: w3schools.com/howto/howto_js_filter_table.asp
- But instead, to search with multiple search words in two columns of the same...

Last post » Admin

Split the search string by space and filter the column for each word. Try this code in your JS script:

function myFunction() {
var src, input,...

Get name in fbautocomplete jquery plugin 1673 3

» JanMolendijk

I`m almost their with my tag-system

But my second question for today: I can`t find-out how to detect the names from this javascript.
I can detect...

Last post » Admin

Yes, in that function.
Then, see in browser console (F12) what data is displayed.

Delete part of query string from url without page reload 1970 0

» Admin

The delPartUrl() function from the following JavaScript code can be used to delete part of query string from page url in browser, without affecting...

Adding content from a Div into an input text field 1686 2

» JanMolendijk

I still don`t understand how I can get the results from a div into a text input form field ?

<div id= div2 > Content </div>

I...

Last post » JanMolendijk

Thanks Chief for all your support....
My URL-extractor is working
in the comment-system

Adding HTML content from javascript /iQuery into a form 1459 1

» JanMolendijk

For day`s i`m busy to improve my comment system
& no I`m ready to place a url extractor but I hope
you can support me by this-one....

I want...

Last post » MarPlo

It depends where you want to add the html content from javascript in the form, on the beginning, or at the end after other elements.
Se the: 2....

Vex Modal stays square on Chrome browser 1407 2

» JanMolendijk

Sorry but I have something with the Vex-modal from: coursesweb.net/jquery/vex-modal-window-dialogs-plugin_jp
I get on Edge browser a complete height...

Last post » JanMolendijk

Thanks for the support I changed my website to something more simple
so my home-server XAMPP can run better, my complex pages are not running well....

Forum

JavaScript - jQuery - Ajax

Forum permissions