大约有 10,000 项符合查询结果（耗时：0.0285秒） [XML]
setTimeout / clearTimeout problems
...ar millisecBeforeRedirect = 10000;
timer = window.setTimeout(function(){alert('Hello!');},10000);
}
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Iterating a JavaScript object's properties using jQuery
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$.each( { name: "John", lang: "JS" }, function(i, n){
alert( "Name: " + i + ", Value: " + n );
});
each
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UIGestureRecognizer on UIImageView
...handleTap(sender: UITapGestureRecognizer? = nil) {
// just creating an alert to prove our tap worked!
let tapAlert = UIAlertController(title: "hmmm...", message: "this actually worked?", preferredStyle: UIAlertControllerStyle.Alert)
tapAlert.addAction(UIAlertAction(title: "OK", style: .D...
How to check if anonymous object has a method?
...w if the function is defined.
if(typeof myObj.prop2 === 'function') {
alert("It's a function");
} else if (typeof myObj.prop2 === 'undefined') {
alert("It's undefined");
} else {
alert("It's neither undefined nor a function. It's a " + typeof myObj.prop2);
}
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Compare two dates with JavaScript
...the result.
var oDateOne = new Date();
var oDateTwo = new Date();
alert(oDateOne - oDateTwo === 0);
alert(oDateOne - oDateTwo < 0);
alert(oDateOne - oDateTwo > 0);
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Check if a JavaScript string is a URL
Is there a way in JavaScript to check if a string is a URL?
32 Answers
32
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How do I make class methods / properties in Swift?
... { // computed type property
return 42
}
class func alert() { // type method
print("There are \(all.count) foos")
}
}
Foo.alert() // There are 0 foos
let f = Foo()
Foo.all.append(f)
Foo.alert() // There are 1 foos
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
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Introducing shortcuts like http://example.com/article/531 to existing PHP scripts is also easy. The numeric placeholder can just be remapped to a $_GET parameter:
RewriteRule ^article/(\d+)$ article-show.php?id=$1
# └─────────────────...
JS - get image width and height from the base64 code
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var i = new Image();
i.onload = function(){
alert( i.width+", "+i.height );
};
i.src = imageData;
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jQuery: outer html() [duplicate]
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No siblings solution:
var x = $('#xxx').parent().html();
alert(x);
Universal solution:
// no cloning necessary
var x = $('#xxx').wrapAll('<div>').parent().html();
alert(x);
Fiddle here: http://jsfiddle.net/ezmilhouse/Mv76a/
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