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Merge/flatten an array of arrays
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Or in a shorter, sexier form: const flatten = (arr) => arr.reduce((flat, next) => flat.concat(next), []);
– Tsvetomir Tsonev
Aug 8 '16 at 14:18
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Mixin vs inheritance
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Mixins in Comparison and Contrast with Abstract Base Classes
Both are a form of parent class that is not intended to be instantiated.
A mixin provides functionality, but is unable to directly use it. A user is intended to use it through a (sub)class.
An abstract base class provides an interface...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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How can I know which radio button is selected via jQuery?
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To get the value of the selected radioName item of a form with id myForm:
$('input[name=radioName]:checked', '#myForm').val()
Here's an example:
$('#myForm input').on('change', function() {
alert($('input[name=radioName]:checked', '#myForm').val());
});
<scrip...
How do you automatically set the focus to a textbox when a web page loads?
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In HTML there's an autofocus attribute to all form fields. There's a good tutorial on it in Dive Into HTML 5. Unfortunately it's currently not supported by IE versions less than 10.
To use the HTML 5 attribute and fall back to a JS option:
<input id="my-input" autof...
Fork and synchronize Google Code Subversion repository into GitHub
...asier too, such as when patches get accepted upstream in slightly reworked form. It'd save having to mess about with conflicts, you can just rebase --skip the upstreamed patches. Anyway, a rebase would be like this:
git rebase master features
o [features]
|
o
| ...
Using the HTML5 “required” attribute for a group of checkboxes?
...ing the newer browsers that support HTML5 (FireFox 4 for example);
and a form field has the attribute required='required' ;
and the form field is empty/blank;
and the submit button is clicked;
the browsers detects that the "required" field is empty and does not submit the form; instead br...
What is 'define' used for in JavaScript (aside from the obvious)?
...fine function from RequireJS, in particular the "define with dependencies" form of that function. It is used to define a "module":
A module is different from a traditional script file in that it
defines a well-scoped object that avoids polluting the global
namespace. It can explicitly list i...
How to change the Content of a with Javascript
...given, the classical (read non-DOM) approach would be like this:
document.forms['yourform']['yourtextarea'].value = 'yourvalue';
where in the HTML your textarea is nested somewhere in a form like this:
<form name="yourform">
<textarea name="yourtextarea" rows="10" cols="60"></...
Read Post Data submitted to ASP.Net Form
I have a working login form in an asp.net application. Standard stuff with a username and password text box and a button to process the login. Works fine.
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