JavaScript - jQuery - Ajax
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» mowgli Hello,
I use the Fotorama script for a slideshow images. How can I put caption in some photo? How it is possible using this script?
Thanks in...
Last post » Admin Hi,
I'm not the person who made the Fotorama script, and because I not use it, I not know very well about its customization.
If you want to know...
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» mowgli How to make a Fotorama different list of images for mobile and for desktop?
For instance: desktop image 1, 2, 3 ... (1400x800) px. Mobile: 1a, 2a,3a...
Last post » Admin I'm glad it works. I think it is not a problem that the slideshow starts from zero when the page rereshes, and anyway, the visitors not play with the...
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» Marius Hello
How can I shuffle /randomize an array in JavaScript? Is there a JavaScript function like shuffle() in PHP?
Last post » Admin Hi
You can use this function:
// receive an array and return it with the items shuffled /randomized
function shuffle(ar){
for(var j, x, i =...
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» crop Hi,
i read this :
and i tried to copy it, i made simplified version here:
clinde.de/dump/crop.html
- check.php is present, but you can't see...
Last post » MarPlo I replaced the onblur event with onchange . Now, when ALL the input fields are validated, the submit button is enabled and the form is Automatically...
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» PloMar I have an Ajax function that adds in page some content from server. It was working fine when the page url was with http , but after I put https the...
Last post » MarPlo Hello,
If the page url is with https , the Ajax request must be made with https . So, make sure you access the file on server with the same protocol...
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» PloMar I have a dropdown select list like this:
<select name= sel1 id= sel1 >
<option value= 1 >text 1</option>
<option value= 2...
Last post » MarPlo Hi,
You can use the selectedIndex property to get the ordered index of the selected option, then, with that index you can get the object with the...
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» PloMar Hello
How can I get the filename and extension from a variale with an URL address in JavaScript?
The URL can be any kind of webpage address; with...
Last post » MarPlo Hi,
Just use the getFilename() function from this example:
<script>
function getFilename(url){
// returns an object with {filename, ext}...
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» PloMar Hello,
Is it possible to display the content of a Div in full screen window with JavaScript?
Last post » Admin Hi,
There is fullscreen API in JavaScript, you can use the requestFullscreen() method to display a HTML element in full screen mode, documentation:...
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» PloMar Hello,
I have the following code that sends form data with Ajax to a php script. It works, but after the form data is sent, the value added in the...
Last post » Admin Hello,
You can use the following JavaScript code (in the success section of your Ajax function) when the data have already been sent, to delete...
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» PloMar Hello
I have the following code to send form data to a php script, with jQuery Ajax, withouut reloading the page.
But, when I press the Submit...
Last post » Admin Hi,
You have to call preventDefault() method to stop default action.
<script>
$(document).ready(function(){
$('#form').submit(function(e) {...
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» PloMar Hello,
I want to display a file (image) in canvas before it is uploaded.
The preview action in canvas should be executed all in the browser without...
Last post » Admin Hi,
You can use URL.createObjectURL() on the File from your <input> to generate a blob object URL.
Generated URL will be like:...
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» PloMar Hello,
I have a canvas element and a form with a text box and a button. I want to be able to put an image url into the text box, and after click on...
Last post » Admin Hi,
You can use this script. When click on the button, it adds the image from URL in page (into a Div, #pic1), then, the function addCnvImg() gets...
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» PloMar Hi,
I have the following code:
<img src= image.png alt= Image onclick= test(data) />
<script>
function test(prm) {
alert(prm)...
Last post » Admin Hi,
If the argument is a string, you should add it between quotes, like this:
<img src= image.png alt= Image onclick= test('data') />
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» PloMar Can I make the content of a html div to be editable?
For example I have the following code:
<div id= edit1 >Content that can be...
Last post » MarPlo To make the content of a html element to be editable, just add the: contentEditable= true attribute in that tag. It can be used in almost all HTML...
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» PloMar Hello
I have an input text field to which i want to display a tooltip with a html table, when the mouse is over the input field.
How can i make it...
Last post » Admin Hello
Set position:relative; to the parent container (it is important for absolute position), then set position: absolute; , display: none; and...
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» PloMar How can I refresh the page after a specified time?
I have a html table with data from server. These data are changed to every 3 minutes, so I want...
Last post » MarPlo You can use the reload() function added in setTimeout().
<script>
// refresh page after 3 min. (true to load from server, not from cache)...
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» PloMar How can I parse the array items in reverse order, in JavaScript?
I have a Div and an array with numbers in JS code, like this:
<div id= dv1...
Last post » MarPlo The simplest way is to use a reverse for() loop (with i-- ).
See this example:
<div id= dv1 ></div>
<script>
var ary = ;
var...
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» PloMar How to add (append) text in textarea using jquery without removing previous text?
I have this code, but it only works for first time, when i change...
Last post » MarPlo Inside the dom the value and text attributes are stored separately. When you use append the text is appended but the value is blanked because it is...
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» PloMar Hi
I'm drawing text in an HTML5 canvas on top of an image. I want to calculate a font size so that the string will span 200 pixels width.
So...
Last post » MarPlo The fillText() method has an optional fourth argument, which is the max width to render the string.
- MDN's documentation says:
maxWidth - the...
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» PloMar Hello all
Anyone know how to calculate the number of characters that will fill one line of a div with a fixed width (for example 200px), using...
Last post » MarPlo Hi,
You can use this formula to get the width of the line for a given number of characters (CPL):
Width = CPL * (font-size / font-constant)
- CPL...
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» PloMar I use this code to animate position of a Div when is hovered. I move it with 2500 animation speed.
How do I change speed of this animation to 800,...
Last post » Admin Try with the dequeue() function (Execute the next function on the queue for the matched elements).
<div id= dv >Animate Div</div>...
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» PloMar Let say I have this html:
<div id= parent >
<div id= c1 >Content child 1</div>
<p id= c2 >Paragraph ...
<span>some...
Last post » Admin Try with the > selector, it refers to the direct childen.
1. Example get array with the ID of all direct children.
<div id= parent >...
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» PloMar How can I use JavaScript /jQuery to follow the mouse cursor with a DIV in the whole page?
Last post » Admin If you want this effect with pure JavaScript, you can use this code:
<style>
#div_moving {
position: absolute;
width: 140px;
height: 65px...
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» PloMar I'm playing with jQuery. Now I test the trigger() method.
I try to trigger a custom method and pass two additional arguments (an object and a...
Last post » Admin When you pass multiple arguments with trigger(), and those arguments aren't a number or a string, you should pass all the additional arguments into...
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» PloMar I have a Select box and options with IDs of the rows from a MySQL table.
In that form there are 3 text fields.
Now, when I select an option from...
Last post » Admin To make that script you need to know how to work with JavaScript /Ajax and with data in JSON format.
1. Register an onchange event to the Select-box...
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