javascript spravka

I've found that given a form in a HTML page like this: Solution 1: It looks like that's th… Read more Is It Normal For Image Inputs To Be Omitted From The Dom In Document.forms[x].elements?

I like to show an image or any elements of html and initialize a height to it. When i used a file t… Read more How To Open A File Dialog Or Browse Files Window Using Scripts?

I would like to add a class if input is empty and remove it if it isn't. I initially had addCla… Read more Add Class If Input Is Empty And Remove It If Not

Live Demo: http://jsfiddle.net/thisizmonster/DveuB/ How can I change this so that the input only al… Read more Only Allow English Characters And Numbers For Text Input

How do I disable element so it will not submit when clicking on it (but make sure javascript event… Read more Disable Certain Input Element With Javascript Enabled

I want the user to be able to upload text files as input through the browserAction popup for my ext… Read more File Input In Chrome Extension Popup

I'm collecting information in a standard HTML form. I have, for example, . When the form is sub… Read more Jquery: How Can I Add Line Break To Form Input?

I am using this code on the input element: onmouseout=' $('#passwordhelp').text('&#… Read more Does Javascript Forbid Changing The Input Type From Password Or To Password?

I'm trying to change a form input field (username) to uppercase and to remove all spaces within… Read more How To Change A Form Input Text To Uppercase Using A Javascript Function

I have this script I'm working on and there's no errors on it but I want to add some functi… Read more Javascript: Changing The Name Attribute Dynamically

I am trying to make a simple html page with two text boxes and an a button that adds the two number… Read more Html Javascript Function Issue. [object Htmlinputelement] Error Output

Long-time pilferer, first-time poster. I'm attempting to create an interactive internet-based G… Read more Selecting/highlighting Rows And Changing Value Of Highlighted Text Field In The Same Row

In a MySQL database, I have a table of items with the item's ID, name and default price. I wish… Read more Filling Input Field Based On Dropdown Menu Selection With Javascript

I want to autofill textboxes on another website so I'm writing a short script to do this. I'… Read more Fill Input Text Forms On Other Website In Iframe

I have some elements in my document like: mytext Solution 1: (1) Using the "for" attribu… Read more Modifying The Text Of A Label That Also Contains An Input (checkbox)

I would like to present to the user several input text box that allows them to type a string of let… Read more Type A Word From The Keyboard And Store Each Letter Into A Series Of Multiple Input Text Boxes

I made a custom input field of type='file' as I didn't like the default one. To achieve… Read more Angular - Css - Custom Type=file Input, How To Use A Button Instead Of Label?

I know this is continuously asked anew, and I've checked out different answers and tried differ… Read more Clear Input Fields On Form Submit

I read the answers on this question but none is similar to my set up: What are controlled component… Read more Is This A Controlled Or Uncontrolled React Component?

I'm still learning JavaScript and practicing with getting input from a keyboard. I just learne… Read more Can You Use String.fromcodepoint Just Like String.fromcharcode