JavaScript - jQuery - Ajax

  1. » MarPlo
    I have a html table and a button, like this:
    <table id= tb_id border= 1 >
    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...

  2. » 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>

  3. » 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);

  4. » MarPlo
    I want to do something like this:
    $( .chkox ).checked(true);
    $( .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...

  5. » 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...

  6. » 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....

  7. » 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...

  8. » 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...

  9. » 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...

  10. » 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.
    <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 ....

  11. » 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
    The JavaScript has a function for animating objects, called requestAnimationFrame() that works in modern browsers (IE 10+)....

  12. » Marius
    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
    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...

  13. » 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
    To scroll to a specified element, use the element.scrollIntoView() method (this method scrolls the current element into the visible area of the...

  14. » 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
    Add an ID to the input text field, for example:
    <form id= form1 >
    <input type= text name= q01 id= id_i1 maxlength= 1 />...

  15. » 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
    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:...

  16. » 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...

  17. » Marius
    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
    I think you can use this code.
    <div id= parent >
    <div id= id1 >
    <div id= id2 >
    <div id= id3 >
    <div id= id4...

  18. » Marius
    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
    Try this code.
    - Simple JavaScript:
    <div id= content >
    <div id= id1 >
    <span id= id2 >
    <div id= id3...

  19. » Marius
    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
    Here is a simple and easy example:
    Just study the javascript code, and adapt it to your html table.

  20. » 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
    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...

  21. » Marius
    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
    I usually use a callback function that is passed as argument to the Ajax function.
    The callback function is accessed when success, receives the...

  22. » Marius
    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...

  23. » Marius
    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?
    Last post » Admin
    Here is a JavaScript function that returns a 2-dimensional array with the <td> data of each row.
    Then, use JSON.stringify(array) to...

  24. » Marius
    How can I move the window scrollbar vertical position up or down by a specified number of pixels?
    I'm using this function to get the scrollbar...
    Last post » MarPlo
    There are various ways to set tthe scrollbar position. For example, you can use the scrollTo(x, y) function, or scrollTop property for vertical...

  25. » Marius
    I am trying to drag a table row and to drop it in a similar table (of same table structure).
    I am trying to implement with jQuery UI draggable....
    Last post » MarPlo
    Check the code example from this page: jQuery Drag and Drop Rows between two similar Tables