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Access-Control-Allow-Origin error sending a jQuery Post to Google API's
...',
crossDomain: true,
dataType: 'jsonp',
success: function() { alert("Success"); },
error: function() { alert('Failed!'); },
beforeSend: setHeader
});
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...fn is called before the function is assigned!
fn();
var fn = function () { alert("test!"); }
// Works as expected: the fn2 declaration is hoisted above the call
fn2();
function fn2() { alert("test!"); }
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...
get an element's id
...ElementsByTagName("input");
for (var i = 0; i < inputs.length; i++) {
alert(inputs[i].id);
}
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How do you implement a Stack and a Queue in JavaScript?
What is the best way to implement a Stack and a Queue in JavaScript?
24 Answers
24
...
How to get the class of the clicked element?
...ps.
$("li").click(function() {
var myClass = $(this).attr("class");
alert(myClass);
});
Equally, you don't have to wrap the object in jQuery:
$("li").click(function() {
var myClass = this.className;
alert(myClass);
});
And in newer browsers you can get the full list of class names:...
How to support placeholder attribute in IE8 and 9
... fields)
https://github.com/chemerisuk/better-placeholder-polyfill
These scripts will add support for the placeholder attribute in browsers that do not support it, and they do not require jQuery!
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“var” or no “var” in JavaScript's “for-in” loop?
... following.
function f (){
for (i=0; i<5; i++);
}
var i = 2;
f ();
alert (i); //i == 5. i should be 2
If you write var i in the for loop the alert shows 2.
JavaScript Scoping and Hoisting
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Detect Click into Iframe using JavaScript
...
The above script is used by me to detect clicks away from my site. Most advertising networks now serve banners in frames. If you click one and then quickly another one before you left on the first click, technically I want to know the ...
Dynamically creating keys in a JavaScript associative array
...doesn't exist it will be added.
var a = new Array();
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( ...
How to implement a custom AlertDialog View
In the Android docs on AlertDialog , it gives the following instruction and example for setting a custom view in an AlertDialog:
...