大约有 10,000 项符合查询结果（耗时：0.0241秒） [XML]
Check whether variable is number or string in JavaScript
... This is not correct! There are two possible representations of a string. alert(typeof new String()) will output "Object". Worse, javascript will occasionally convert back and forth between the two representations behind the scenes for optimization purposes
– George Mauer
...
jQuery on window resize
...-
var colFunc = {
"f10" : function(){ alert(10); }
,"f50" : function(){ alert(50); }
,"f100" : function(){ alert(100); }
,"f500" : function(){ alert(500); }
,"f1000" : function(){ ale...
Find if variable is divisible by 2
... The first code I ever wrote was in JavaScript, and that was a "welcome" alert box popup. The year was 1997 and it was for my Geocities homepage. We definitely all start somewhere (some formal training helps, too, though).
– Mike Atlas
May 13 '10 at 16:23
...
What are the best practices to follow when declaring an array in Javascript?
... bar;
//don't do this, it's a bad idea
function Array() {
alert('foo');
}
foo = new Array();
bar = [];
}());
In my example code, I've kept the Array function hidden from the rest of the document scope, however it's more likely that if you ever run into this sort of ...
Declaring functions in JavaScript [duplicate]
...function existing to serve everyone
function swearOutLoud(swearWord) {
alert("You "+ swearWord);
}
//global functions' territory ends here
//here is mr. spongebob. He is very passionate about his objects; but he's a bit rude.
var spongeBob = {
name : "squarePants",
swear : fu...
jQuery Tips and Tricks
...
@Ben: The reason I avoid such idioms in JavaScript is because I don't want to give the illusion of someDiv having being scoped in the if statement, because it isn't; JavaScript only supports function scope
– Andreas Grech
May 3 '1...
Why should I use a semicolon after every function in javascript?
I've seen different developers include semicolons after functions in javascript and some haven't. Which is best practice?
9...
Laravel Redirect Back with() Message
...e,here');
Blade:
@if (\Session::has('success'))
<div class="alert alert-success">
<ul>
<li>{!! \Session::get('success') !!}</li>
</ul>
</div>
@endif
...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
... on-screen zoom controls
EnableJS
Returns whether webview supports JavaScript execution
FileAccess
Returns whether webview can access local files
FollowLinks
Sets whether to follow links or not
FontSize
Returns the font size of text
InitialScale
Sets the initial scale for active ...
jQuery map vs. each
...emory.
For example:
var items = [1,2,3,4];
$.each(items, function() {
alert('this is ' + this);
});
var newItems = $.map(items, function(i) {
return i + 1;
});
// newItems is [2,3,4,5]
You can also use the map function to remove an item from an array. For example:
var items = [0,1,2,3,4,...