JavaScript

JavaScript and corresponding frameworks such as jQuery are nowadays an indispensable part of Internet pages. Only the functionality brought by JavaScript enables dynamic websites and Ajax.

This portal is all about the topic JavaScript.

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TinyMCE How to change default font-size for "Clear Formatting" Button

After I hit "Clear Formatting" the font size changes to 8 and font family to Arial, is there anyway to change this default...

Open Question | 1 Answer

JavaScript: How to reset array's protoype in JavaScript ?

Array.prototype.min = function() { return Math.min.apply(Math,this); }; How to reset Array.prototype...

Open Question | 1 Answer

JavaScript: Change Page Title

How can I change the title of an HTML page with JavaScript? Is that possible? I would like to customize the existing title (title in the head of the...

Question | 1 Answer

jQuery: Change the Title of an HTML Page

How can I change the page title of an HTML page with the help of jQuery, even after loading the page? Is that...

Question | 1 Answer

jQuery: Set the width of an element in percent

I would like to change the width of some elements with jQuery. The information should be provided in percent, so I would like to set the element with...

Question | 2 Answers

jQuery: Check if an element is invisible

Using the functions .hide(), .show(), and .toggle(), I can easily change the visibility of items with jQuery. But how can I use jQuery or JavaScript...

Question | 2 Answers

New Answers and Comments

Guest: Here: $('#bt_submit').attr("disabled",true); $('.chkfield').change(function() { $('#bt_submit').attr('disabled', ...

Tutorial | jQuery: Disable Submit Button if no Checkbox is selected

Guest: Yes, that was it. Thank you very much for the super quick...

Tutorial | jQuery: Disable Submit Button if no Checkbox is selected

NetLabel: Do you mean something like this: $('.cbox').change(function() { $('#bt_submit').attr('disabled', $('#cbox1:checked') &&...

Tutorial | jQuery: Disable Submit Button if no Checkbox is selected

Guest: I'm not a JavaScript expert, but would like to ask what the whole thing looks like when two checkboxes have to be clicked before the send button is...

Tutorial | jQuery: Disable Submit Button if no Checkbox is selected

NetLabel: When you get that error, you have forgotten to include the jQuery framework on which the code above is based. As you can see, it's a jQuery solution...

Tip | jQuery: Show Window.OnBeforeUnload Warning except Submit Button was clicked

Guest: Uncaught ReferenceError: $ is not defined $(document).ready(function()...

Tip | jQuery: Show Window.OnBeforeUnload Warning except Submit Button was clicked

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