大约有 10,000 项符合查询结果（耗时：0.0266秒） [XML]
What is JSON and why would I use it?
...
JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript). As stated in the MDN, some JavaScript is not JSON...
Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery
...rking on IE, Safari or Opera. Do you have a cross-browser version of this script? It works like a charm in Firefox and Chrome. Thanks.
– user352353
Jun 13 '13 at 21:18
...
Code for a simple JavaScript countdown timer?
...
I wrote this script some time ago:
Usage:
var myCounter = new Countdown({
seconds:5, // number of seconds to count down
onUpdateStatus: function(sec){console.log(sec);}, // callback for each second
onCounterEnd: function(...
jQuery counting elements by class - what is the best way to implement this?
...s. But I can't think of a way to count all of these simply with jQuery/JavaScript.
6 Answers
...
How to inspect Javascript Objects
...
There are few methods :
1. typeof tells you which one of the 6 javascript types is the object.
2. instanceof tells you if the object is an instance of another object.
3. List properties with for(var k in obj)
4. Object.getOwnPropertyNames( anObjectToInspect )
5. Object.getPrototypeOf( ...
What is the difference between null and undefined in JavaScript?
... want to know what the difference is between null and undefined in JavaScript.
33 Answers
...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...ge.
NEW
I would like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_picture").on("error", function(){
$(this).attr('src', './images/nopicture.png');
});
});
</script>
<img class='backup_picture' src='./images/nonex...
Detect a finger swipe through JavaScript on the iPhone and Android
...t that a user swiped his finger in some direction over a web page with JavaScript?
21 Answers
...
Adding data attribute to DOM
...r(function(){
return $(this).data('info') == 1;
}).text('222');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>1</div>
share
|
...
What are some methods to debug Javascript inside of a UIWebView?
I'm trying to figure out why something with Javascript isn't working inside of a UIWebView. To my knowledge, there is no way to set a breakpoint inside of XCode for a js file. No problemo, I'll just go back to 2004 and use alert statemen-- oh wait they don't seem to work inside of a UIWebView either...