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HTML5 Email Validation
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In HTML5 you can do like this:
<form>
<input type="email" placeholder="Enter your email">
<input type="submit" value="Submit">
</form>
And when the user press submit, it automatically shows an error message like:
...
URL encoding the space character: + or %20?
...a (emphasis and link added):
When data that has been entered into HTML forms is submitted, the form field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early ve...
Email validation using jQuery
...o Validate Email
I really don’t like to use plugins, especially when my form only has one field that needs to be validated. I use this function and call it whenever I need to validate an email form field.
function validateEmail($email) {
var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
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Trigger a button click with JavaScript on the Enter key in a text box
...nt.preventDefault(); before invoking click(); function while my page has a form and I've switched keyup with keypress as it was the only working handler for me, anyways, thanks for neat piece of code!
– Adrian K.
Feb 6 '13 at 1:02
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AngularJs $http.post() does not send data
...natively ... By default, jQuery transmits data using
Content-Type: x-www-form-urlencoded
and the familiar foo=bar&baz=moe serialization.
AngularJS, however, transmits data using
Content-Type: application/json
and { "foo": "bar", "baz": "moe" }
JSON serialization, which...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ecause it has no idea where the data is coming from.
If you submit a HTML-Form with method="POST" and Content-Type: application/x-www-form-urlencoded or Content-Type: multipart/form-data your request may look like this:
POST /some-path HTTP/1.1
Content-Type: application/x-www-form-urlencoded
foo=...
How do I detect “shift+enter” and generate a new line in Textarea?
Currently, if the person presses enter inside the text area, the form will submit.
Good, I want that.
13 Answers
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Image resizing client-side with JavaScript before upload to the server
...in addition to being resized) also suffered a huge loss of quality (in the form of severe pixelation), though it was outputed at the correct resolution.
– Ruben Martinez Jr.
Dec 3 '15 at 22:28
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Pure JavaScript Send POST Data Without a Form
Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)?
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How do I copy the contents of a String to the clipboard in C#? [duplicate]
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You can use System.Windows.Forms.Clipboard.SetText(...).
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