when user click add button twice, from get submitted twice with same data into table. So Please help me to restrict user to submit from twice. Answer try out this code..
Tag: html
OnClick Send To Ajax
I’m trying to complete some ajax requests to insert a textarea into a database without refresh. Here is my code: HTML: JS: My Questions: 1) How do I send the contents of the text area into the onclick function? 2) How do I escape/urlencode etc.. So it retains line breaks Answer You have few problems with your code like using
Automatically close all the other tags after opening a specific tag
Here is my code. What I want to do is — if the details of any single <details> tag is open and I open/view another <details> tag, then the earlier one should close/hide/minimize. How can this be achieved? I’m aware the <details> tag is not supported in IE or Edge. Answer Another approach, slightly shorter, slightly more efficient, without dependencies,
HTML form dropdown menu specify number range
I want to specify number range in drop-down menu list like 1-24 from example i am currently doing following is there any way we can say use 1-24 and it dynamically create drop-down menu, I guess we need to use Javascript but i don’t know how to code them? Answer You don’t need Javascript, you can use a PHP for
How to write a cookie to remember a username in JavaScript
I am working on a login page for a project and I am wondering how I would go about setting a cookie just to remember the username ? Answer Here is the sample code. for html Cookies.
On submit, load a html popup file into a div
I am trying to redirect to a contact form on submit to a HTML file which I have made using. However, this loads it to a different page and not to the page that I’m already on. I already have the jQuery to make a popup for the contact form and information page, which is: On submitting the contact form,
Save json string to client pc (using HTML5 API)
I read few older thread about the same, but seen the file API changed a lot recently. My requirement is to save a json file (data is locally in indexdDB, but I need a way to back it up). Since I use indexdDB, I only target recent browsers, mainly chrome. So, it it possible to save data (json string) to
Bootstrap Dropdown with Hover
OK, so what I need is fairly straightforward. I have set up a navbar with some dropdown menus in it (using class=”dropdown-toggle” data-toggle=”dropdown”), and it works fine. The thing is it works “onClick”, while I would prefer if it worked “onHover”. Is there any built-in way to do this? Answer The easiest solution would be in CSS. Add something like…
Converting float values to a grayscale hex color value
this question is quick and simple. I’ve a 2d array of floats ( 0,0000000 to 1,0000000 ) and i want to convert those numbers to a color value ( #000000 to #ffffff ). note that i’m talking about just grayscale values. 0 = black | … | 0.5 = middle gray | … | 1 = white does anyone know
How to accept MathML from Windows Math Input Panel?
The question How do i accept MathML? already explains how to handle output from Windows 7 and Windows 8 Math Input Panel using native Windows code. Is it possible to do the same with any web browser using just JavaScript (that is, no silverlight or any other plugin allowed)? I understand that the MathML input is on the clipboard but