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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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...

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...

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...

Question | 2 Answers

jQuery: Show and hide elements

In this tutorial, I'd like to show you how to make a visible HTML element disappear or make an invisible one visible again...

Tutorial | 0 Comments

jQuery: Show a DIV - Hide other DIVs

Some time ago I have written a tutorial in which I described ...

Tutorial | 0 Comments

New Answers and Comments

Guest: I don't know what you mean with "in my code". Where are those images? So, I can only guess what to do: Maybe a loop iterating over...

Tutorial | How to resize Image before Upload in Browser

Guest: I have multiple separated images in my code, how can i upload these multiple image files separate without using one field for...

Tutorial | How to resize Image before Upload in Browser

Guest: I have a looping input type file. How I should implement the javascript function as an...

Tutorial | How to resize Image before Upload in Browser

Guest: Thank you. You've made my world simple. May God Bless...

Tutorial | How to resize Image before Upload in Browser

Computer Expert: And if you want to go the other way, you can simply use the function toUpperCase() instead of toLowerCase(). This makes all characters in...

Info | JavaScript: Convert String to Lowercase Letters

Guest: Hi Stefan. If I want to show progress(with animated gif) while uploading, how can I do so? Thank...

Tutorial | How to resize Image before Upload in Browser

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