大约有 40,000 项符合查询结果(耗时:0.0292秒) [XML]
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(){
...
How to select last two characters of a string
... slice() reference : developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Offirmo
Oct 30 '13 at 9:20
add a comment
|
...
How do I record audio on iPhone with AVAudioRecorder?
... %@ %d %@", [err domain], [err code], [[err userInfo] description]);
UIAlertView *alert =
[[UIAlertView alloc] initWithTitle: @"Warning"
message: [err localizedDescription]
delegate: nil
cancelButtonTitle:@"OK"...
Detecting an undefined object property
...ty is the special value undefined, is:
if(o.myProperty === undefined) {
alert("myProperty value is the special value `undefined`");
}
To check if an object does not actually have such a property, and will therefore return undefined by default when you try and access it:
if(!o.hasOwnProperty('m...
How to check if two arrays are equal with JavaScript? [duplicate]
... provided example:
var a=[1,2,3];
var b=[3,2,1];
var c=new Array(1,2,3);
alert(_.isEqual(a, b) + "|" + _.isEqual(b, c));
By the way: Underscore has lots of other methods that jQuery is missing as well, so it's a great complement to jQuery.
EDIT: As has been pointed out in the comments, the abov...
Default argument values in JavaScript functions [duplicate]
...peof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
alert("A: "+a+"\nB: "+b);
}
//testing
func();
func(80);
func(100,200);
share
|
improve this answer
|
...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...re two methods of building a link that has the sole purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.?
...
How to suppress Update Links warning?
I'm trying to write a script that opens many Excel files. I keep getting the prompt:
7 Answers
...
JavaScript click handler not working as expected inside a for loop [duplicate]
... (function (i) {
$("#div" + i).click(
function () { alert(i); }
);
})(i);
}
UPDATE
Updated DEMO
Or you can use 'let' instead var to declare i. let gives you fresh binding each time. It can only be used in ECMAScript 6 strict mode.
'use strict';
for(let i=1; ...
How can I capture the right-click event in JavaScript? [duplicate]
... oncontextmenu event.
Here's an example:
<div oncontextmenu="javascript:alert('success!');return false;">
Lorem Ipsum
</div>
And using event listeners (credit to rampion from a comment in 2011):
el.addEventListener('contextmenu', function(ev) {
ev.preventDefault();
alert('su...
