大约有 9,000 项符合查询结果（耗时：0.0279秒） [XML]
Managing CSS Explosion
... website that I am working on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes.
...
What does href expression do?
... an href or name attribute.
If you want it to render correctly as a link (ie underlined, hand pointer, etc), then it will only do so if it has a href attribute.
Code like this is therefore sometimes used as a way of making a link, but without having to provide an actual URL in the href attribute. ...
Is there “0b” or something similar to represent a binary number in Javascript
...s already available in Firefox and Chrome. It's not currently supported in IE, but apparently will be when Spartan arrives.
(Thanks to Semicolon's comment and urish's answer for pointing this out.)
Original Answer:
No, there isn't an equivalent for binary numbers. JavaScript only supports numeric...
How to prevent form from being submitted?
...ssage to the user in the onsubmit. Fore example, "complete this mandatory field then submit". In that case event.preventDefault will come in very handy
– Mark Chorley
May 3 '13 at 9:26
...
When to use setAttribute vs .attribute= in JavaScript?
...
From Javascript: The Definitive Guide, it clarifies things. It notes that HTMLElement objects of a HTML doc define JS properties that correspond to all standard HTML attributes.
So you only need to use setAttribute for non-standard attributes.
Example:
node.className = ...
Reserved keywords in JavaScript
...ouble enum?
- False, boolean, abstract function,
Implements typeof transient break!
Void static, default do,
Switch int native new.
Else, delete null public var
In return for const, true, char
…Finally catch byte.
...
Why shouldn't `'` be used to escape single quotes?
...
" is on the official list of valid HTML 4 entities, but ' is not.
From C.16. The Named Character Reference ':
The named character reference '
(the apostrophe, U+0027) was
introduced in XML 1.0 but does not
appear in HTML. Authors should
ther...
Change select box option background color
...the CSS :nth-child(1..n) selector instead.
– Samuel Liew♦
Sep 3 '13 at 3:14
2
You probably shou...
How to use a keypress event in AngularJS?
...ts of the element it is attributed to. When the event is received the supplied expression is evaluated inside an $apply block.
– Pete Martin
Dec 10 '13 at 2:24
7
...
How to have jQuery restrict file types on upload?
I would like to have jQuery limit a file upload field to only jpg/jpeg, png, and gif. I am doing backend checking with PHP already. I am running my submit button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert.
...