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Proper way to exit iPhone application?
...'s view
-(IBAction)doExit
{
//show confirmation message to user
UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"Confirmation"
message:@"Do you want to exit?"
delegate:self
...
How do I get the fragment identifier (value after hash #) from a URL?
...w.site.com/index.php#hello";
var hash = url.substring(url.indexOf('#')+1);
alert(hash);
SEE DEMO
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How to use OR condition in a JavaScript IF statement?
...xpressions, too:
var thingToTest = "B";
if (/A|B/.test(thingToTest)) alert("Do something!")
Here's an example of regular expressions in general:
var myString = "This is my search subject"
if (/my/.test(myString)) alert("Do something here!")
This will look for "my" within th...
How can I check if string contains characters & whitespace, not just whitespace?
...the string against this regex:
if(mystring.match(/^\s+$/) === null) {
alert("String is good");
} else {
alert("String contains only whitespace");
}
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How to dynamically create CSS class in JavaScript and apply?
...thout dependencies on CSS files. In my case I want lightweight growl-style alert popups out-of-the-box.
– xeolabs
Aug 12 '13 at 7:24
1
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How to get the containing form of an input?
...ttribute that points to the form they belong to:
var form = element.form;
alert($(form).attr('name'));
According to w3schools, the .form property of input fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this.
If...
window.onload vs $(document).ready()
...ers .
Correct code:
window.addEventListener('load', function () {
alert('Hello!')
})
window.addEventListener('load', function () {
alert('Bye!')
})
Invalid code:
window.onload = function () {
alert('Hello!') // it will not work!!!
}
window.onload = function () {
...
How do I remove objects from a JavaScript associative array?
...d as hashtables/associative arrays. So, the following are the equivalent:
alert(myObj["SomeProperty"]);
alert(myObj.SomeProperty);
And, as already indicated, you "remove" a property from an object via the delete keyword, which you can use in two ways:
delete myObj["SomeProperty"];
delete myObj.S...
How to delete last character from a string using jQuery?
...
Why use jQuery for this?
str = "123-4";
alert(str.substring(0,str.length - 1));
Of course if you must:
Substr w/ jQuery:
//example test element
$(document.createElement('div'))
.addClass('test')
.text('123-4')
.appendTo('body');
//using substring ...
Set initial focus in an Android application
...
I was able to gain focus on an AlertDialog and enabling focusableintouchmode helped me get it right. Essentially, here's how: alert.show(); alert.getButton(AlertDialog.BUTTON_POSITIVE).setFocusableInTouchMode(true);alert.getButton(AlertDialog.BUTTON_NEGATI...