JavaScript - jQuery - Ajax
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» PloMar I have an object like this in javascript:
var obj = {
prop1: 'val 1',
prop2: 'val 2',
prop3: 'val 3'
};
What is the best way to retrieve a list...
Last post » Admin You can use the built in Object.keys method:
var obj = {
prop1: 'val 1',
prop2: 'val 2',
prop3: 'val 3'
};
var props = Object.keys(obj);...
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» PloMar I have an object like this in javascript:
var obj = {
prop1: 'val 1',
prop2: 'val 2',
prop3: 'val 3'
};
What is the best way to remove the...
Last post » Admin To remove a property from a javascript object, you can use the delete instruction.
Example:
var obj = {
prop1: 'val 1',
prop2: 'val 2',
prop3:...
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» MarPlo I have a html table and a button, like this:
<table id= tb_id border= 1 >
<tr>
<th>Website</th>...
Last post » Admin To append a row in a html table, use this syntax:
$('#table_id > tbody:last').append('<tr>...</tr>');
And to hide the pressed...
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» MarPlo I'm trying to dynamically add and remove items with jQuery when I press the Append /Remove buttons.
This is the html code:
<ul id= lists >...
Last post » Admin Use the append() and remove() jquery methods, like in this example:
<ul id= lists >
<li>List Item 0</li>
</ul>
<button...
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» MarPlo I need to serialize an object to JSON in JavaScript. Is there a standard way to do this?
I have an array defined something like this:
var countries...
Last post » Admin Use the JSON object methods.
- To convert an object to a string, use JSON.stringify() :
var json_string = JSON.stringify(your_object, null, 2);
-...
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» MarPlo I want to do something like this:
$( .chkox ).checked(true);
Or:
$( .chkox ).selected(false);
I wish to set the checked value to check or uncheck...
Last post » Admin Use the prop() method.
$('.chkbox').prop('checked', true); // checking
$('.chkox').prop('checked', false); // unchecking
And if you want to check...
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» MarPlo Is it posible to run a php function through a javascript function?
Something like this:
<div id= php_code >Here will be added the Php Code...
Last post » Admin PHP is evaluated at the server; javascript is evaluated at the client-side/browser, thus you can't call a PHP function from javascript directly. But...
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» MarPlo Is there any way I can modify the URL of the current page without reloading the page?
I only need to change the portion after the domain, when a...
Last post » Admin You can use the history.pushState() method to change the url address without refreshing the page.
It works in modern browsers which suport HTML5....
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» MarPlo I have written a code that adds a text in canvas on clicking a button.
And i want to display this text for lets say 2 seconds. How can I make the...
Last post » Admin You have to use setTimeout() to call a function, after a given time, that clears the canvas content.
Here's a simple demo for writing and clearing...
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» MarPlo Hi all,
How can I set the canvas dimensions (width and height) according to window's size, using JavaScript?
And, if it's possible, to change...
Last post » Admin With self.innerWidth and self.innerHeight you can get the window's width and height. Then, with resize event you can detect when the window is...
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» MarPlo I have two DIVs that I need to know the calculated browser distance (in width and height) of them.
Example html:
<div id= dv1 >div...
Last post » Admin Use the offset() function.
Something like this should work:
<div id= dv1 >div 1</div>
Some text ...<br>
<div id= dv2 >div...
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» Marius I am using a jQuery script that adds dynamically a Div in the DOM. I am trying to ad onclick event for this div.
HTML:
<div class= ui23...
Last post » Admin The live() method for registering events in jQuery is deprecated. Use instead the on() method.
This is called event delegation ....
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» Marius Hi there,
I would like a little advice for a proper way to animate with JavaScript, without using jQuery or other framework, just with pure...
Last post » Admin Hello,
The JavaScript has a function for animating objects, called requestAnimationFrame() that works in modern browsers (IE 10+)....
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» Marius Hi,
Does anyone know how to add option in web page to change the css theme?
For example, i have two css files: light.css , and dark.css . I want to...
Last post » Admin Welcome
It can be made with html and javascript:
- Add an id to the html <link> tag which loads the css file.
- Create a <select> with...
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» Marius How to focus on particular part of a web page by using javascript events?
Let's say I clicked a button and it will scroll down or scroll up to a...
Last post » MarPlo Hi,
To scroll to a specified element, use the element.scrollIntoView() method (this method scrolls the current element into the visible area of the...
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» Marius How can I dynamically set /modify the values of certain form elements, more specifically certain input text fields? So far, whenever I load my html...
Last post » MarPlo Hi,
Add an ID to the input text field, for example:
<form id= form1 >
<input type= text name= q01 id= id_i1 maxlength= 1 />...
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» mowgli I see this is a very young forum, I came here looking solutions about Fotorama, anyway I had more answers here in few days that on the big...
Last post » Admin Hi,
That code not works because you have the thumbs in <img> tag, but in jQuery you refer to a ( $('.my-thumbnails a') ).
Try change with:...
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» mowgli I really like and use Fotorama. In this site is posted a full and very good explanation of it. Thanks to the author! I downloaded and wanted to use...
Last post » mowgli Wow, you're full right! After working on it for 6 hours I found the same solution and I came here to write it. Maybe if I came here before, I'd see...
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» Marius Hi,
How can i st into a variable, for example an Array with two elements, the ID of the first and the last clicked Div which is into a parent DIV....
Last post » Admin Hi,
I think you can use this code.
<div id= parent >
<div id= id1 >
<div id= id2 >
<div id= id3 >
<div id= id4...
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» Marius Hi,
How can I set a variable with the id of the last hovered DIV or SPAN in page, using JavaScript /jQuery?
I tryed with onmouseover event, but I...
Last post » Admin Hi,
Try this code.
- Simple JavaScript:
<div id= content >
<span>
<div id= id1 >
<span id= id2 >
<div id= id3...
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» Marius Hi,
I have a html table with data from mysql database.
To each row in the html table there is an edit button. When i click on the edit button, I...
Last post » Admin Hi,
Here is a simple and easy example:
Just study the javascript code, and adapt it to your html table.
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» Marius I have a tabs effect on a web page and when the page is refreshed it loses the last active tab and goes back to the first tab.
How to make so after...
Last post » Admin Hi,
You can use the sessionStorage JavaScript object to store data in the browser session, that can be used after page refresh.
You can add data in...
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» Marius Hi,
I have a function sendAjax() which makes an Ajax request (with jQuery). How can I return the response from sendAjax()?
I tried to return the...
Last post » MarPlo Hi,
I usually use a callback function that is passed as argument to the Ajax function.
The callback function is accessed when success, receives the...
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» Marius Hi,
I have a Div with some content and other html tags inside.
How can I get all the text content of this Div, without the html tags?
I ussed...
Last post » Admin You can use this:
<div id= d_id >
Some content ...
<p>Other html element.</p>
<span>Text in Another html...
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» Marius Hi,
I have this HTML table. How can I get the TD data from each row in JavaScript (in JSON format) to be passed via Ajax to a PHP script?
<table...
Last post » Admin Hi
Here is a JavaScript function that returns a 2-dimensional array with the <td> data of each row.
Then, use JSON.stringify(array) to...
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