大约有 30,000 项符合查询结果（耗时：0.0123秒） [XML]
registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...I have is the pre-release documentation: "Apps that use visible or audible alerts in conjunction with a local or push notification must register the types of alerts they employ." As to "why," I only have my interpretation: end-user convenience to not be bothered by messages, regardless of source.
...
Use dynamic variable names in JavaScript
...this.a = 1;
this.b = 2;
var name = window['a']; // === undefined
alert(name);
name = this['a']; // === 1
alert(name);
}
new foobar();
new creates a new instance of a self-defined object (context). Without new the scope of the function would be also global (=window). This example w...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
...g josh
var character = '5';
if (character == character.toUpperCase()) {
alert ('upper case true');
}
if (character == character.toLowerCase()){
alert ('lower case true');
}
another way is to test it first if it is numeric, else test it if upper or lower case
example
var strings = 'this iS a ...
Validating email addresses using jQuery and regex
... = new RegExp(/^[+a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/i);
// alert( pattern.test(emailAddress) );
return pattern.test(emailAddress);
};
Found that RegExp over here: http://mdskinner.com/code/email-regex-and-validation-jquery
...
How to display all methods of an object?
... {
if (typeof obj[m] == "function") {
methods.push(m);
}
}
alert(methods.join(","));
This way, you will get all methods that you can call on obj. This includes the methods that it "inherits" from its prototype (like getMethods() in java). If you only want to see those methods defin...
Get value of a string after last slash in JavaScript
...
var str = "foo/bar/test.html";
var lastSlash = str.lastIndexOf("/");
alert(str.substring(lastSlash+1));
share
|
improve this answer
|
follow
|
...
What's a simple way to get a text input popup dialog box on an iPhone
...ard supported in the iOS API. You will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" otherButtonTitles:nil];
alert.alertViewStyle = UIAlertViewStylePlainTextInput;
[aler...
JavaScript global event mechanism
...:
<script type="text/javascript">
window.onerror = function() {
alert("Error caught");
};
xxx();
</script>
I'm not sure how it handles Flash errors though...
Update: it doesn't work in Opera, but I'm hacking Dragonfly right now to see what it gets. Suggestion about hacking Drago...
jQuery Ajax POST example with PHP
...
And then you can get it like:
ajaxRequest.done(function (response){
alert(response);
});
There are a couple of shorthand methods. You can use the below code. It does the same work.
var ajaxRequest= $.post("test.php", values, function(data) {
alert(data);
})
.fail(function() {
al...
How do I reference a javascript object property with a hyphen in it?
...th a - are represented in camelCase in Javascript objects. That would be:
alert( style.textAlign );
You could also use a bracket notation to use the string:
alert( style['text-align'] );
Property names may only contain characters, numbers, the well known $ sign and the _ (thanks to pimvdb).
...