大约有 10,000 项符合查询结果（耗时：0.0197秒） [XML]
How to get the first element of an array?
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like this
alert(ary[0])
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Intercept page exit event
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@mtmurdock That's just Javascript syntax to declare multiple variables. var foo, bar; is the same as var foo; var bar;
– T Nguyen
Oct 16 '12 at 7:02
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javascript: pause setTimeout();
...ng);
};
this.resume();
};
var timer = new Timer(function() {
alert("Done!");
}, 1000);
timer.pause();
// Do some stuff...
timer.resume();
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Failed to load resource: net::ERR_INSECURE_RESPONSE
...an IE settings. Although MS tend to assume that they're only IE (hence the alert next to "Enable Protected Mode" that it requries restarted IE)...
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Insert Unicode character into JavaScript
...way of deriving the hexadecimal value for a unicode string from within JavaScript is: "Ω".codePointAt(0).toString(16);
– KostasX
Jun 5 at 11:39
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Event listener for when element becomes visible?
...target').style.display;
if (previous_style != current_style) {
alert('style changed');
window.clearInterval(poll);
} else {
previous_style = current_style;
}
}, 100);
The DOM standard also specifies mutation events, but I've never had the chance to use them, and...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...Hello Server Hello, Certificate, Server Hello Done Alert (level : Fatal, Description: unknown CA (48)) Can you please guide me and help me out in this ?
– user3812540
Jul 8 '14 at 4:44
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JavaScript: How to pass object by value?
...bj = Object.create( x );
obj.foo = 'foo';
obj.bar = 'bar';
})(o);
alert( o.foo ); // undefined
So any properties you add to obj will be not be added to o. Any properties added to obj with the same property name as a property in o will shadow the o property.
Of course, any properties adde...
Best way to detect that HTML5 is not supported
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try {
document.createElement("canvas").getContext("2d");
alert("HTML5 Canvas is supported in your browser.");
} catch (e) {
alert("HTML5 Canvas is not supported in your browser.");
}
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Chrome desktop notification example [closed]
...ddEventListener('DOMContentLoaded', function() {
if (!Notification) {
alert('Desktop notifications not available in your browser. Try Chromium.');
return;
}
if (Notification.permission !== 'granted')
Notification.requestPermission();
});
function notifyMe() {
if (Notificatio...