大约有 10,000 项符合查询结果（耗时：0.0193秒） [XML]
Select all elements with “data-” attribute without using jQuery
Using only JavaScript, what is the most efficient way to select all DOM elements that have a certain data- attribute (let's say data-foo ). The elements may be different tag elements.
...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
...rvice will know. or you write service yourself, but that's out of pure javascript scope.
– tishma
Nov 7 '14 at 22:56
1
...
How to inherit from a class in javascript?
...
In JavaScript you don't have classes but you can get inheritance and behavior reuse in many ways:
Pseudo-classical inheritance (through prototyping):
function Super () {
this.member1 = 'superMember1';
}
Super.prototype.member2 =...
XML parsing of a variable string in JavaScript
...want.
Example usage:
var xml = parseXml("<foo>Stuff</foo>");
alert(xml.documentElement.nodeName);
If you're using jQuery, from version 1.5 you can use its built-in parseXML() method, which is functionally identical to the function above.
var xml = $.parseXML("<foo>Stuff</fo...
Why are you not able to declare a class as static in Java?
...e C# definition of a "static class" - msdn.microsoft.com/en-us/library/79b3xss3%28v=vs.90%29.aspx . Given the Java definition of "static class", all non-inner classes are static (see sibling answers).
– Calum
Aug 18 '13 at 21:11
...
Programmatically Request Access to Contacts
...k];
} else {
// User denied access
// Display an alert telling user the contact could not be added
}
});
}
else if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusAuthorized) {
// The user has previously given access, add the contact
[s...
Get index of element as child relative to parent
...rd li").click(function () {
var index = $("ul#wizard li").index(this);
alert("index is: " + index)
});
share
|
improve this answer
|
follow
|
...
How do I count a JavaScript object's attributes? [duplicate]
... (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
}
}
alert("Found " + count + " properties specific to foo");
The second line shows how other code can add properties to all Object derivatives. If you remove the hasOwnProperty() check inside the loop, the property count will g...
Check whether an input string contains a number in javascript
... implementing
var val = $('yourinputelement').val();
if(isNumeric(val)) { alert('number'); }
else { alert('not number'); }
Update: To check if a string has numbers in them, you can use regular expressions to do that
var matches = val.match(/\d+/g);
if (matches != null) {
alert('number');
}
...
Is it possible to animate scrollTop with jQuery?
... { scrollTop: "300px" },
{
complete : function(){
alert('this alert will popup twice');
}
}
);
Here's how you can avoid the double callback.
var completeCalled = false;
$("html, body").animate(
{ scrollTop: "300px" },
{
complete : function(){
...