I have a jquery question. Is it possible for me to get a value inside a <span></span> tag that in this case would be an ex:%. 5% and make the calculation of a discount on a value?
Example:
Iwanttogetthe5%valuethatisinth...
I was seeing a way to determine if user access is done by a Desktop, usually by having a mouse as the interaction device. Or if the user is accessing a mobile device, usually without the mouse to interact with the screen.
Then I saw that...
I need help putting together a page, program, or application that does the following math basics topics and shows the calculations that the program did.
Object Transposition
Object rotation
Object Increase (independent width and h...
I would like to know if there is a problem in the code when I do not assign a Boolean value to disabled , readonly or required . I'm working with Java in the backend and the IDE points to an error in html when I assign a Boolean value to t...
I need to capture audio from the microphone and write to file. Send to PHP server. How do I, in the examples I saw here, did not notice how to record the sound files.
Sometimes when I see CSS prefixes like -webkit , -moz and even -ms . So I had some questions about them:
Why do some styles do not need prefixes (like background , for example)?
Is there a correct (or recommended)...
Imagine that I have a input for the phone number, but that when the user focuses on it I want to change the text from placeholder , for example from "phone" to "just numbers" .
You can do this with CSS in :focus for exa...
I have textarea with placeholder that according to documentation (English) is perfectly valid and should work:
Example in JSFiddle
Part of the form
<?php
/* Apenas o código referente à textarea
*/
$oc_message =...
What are the pros and cons of validating forms with these features:
HTML5?
Javascript?
JQuery?
HTML5 + Javascript / JQuery?
Is there anything else to consider besides these items?