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change cursor to finger pointer
...nquirer's link. consider the following html:
<a id=test_link onclick="alert('kinda neat);">Click ME!</a>
When a user mouse's over this link, the pointer will not change to a hand...instead, the pointer will behave like it's hovering over normal text. One might not want this...and so...
What is this 'Lambda' everyone keeps speaking of?
... {
if (numbers[i] % 2 === 0) {
even.push(numbers[i]);
}
}
alert(even);
// Using the filter method
even = [1, 2, 3, 4].filter(function (number) {
return number % 2 === 0;
});
alert(even);
Code execution delay
In some environments, in which the concept of event is available, ...
image.onload event and browser cache
I want to create an alert box after an image is loaded, but if the image is saved in the browser cache, the .onload event will not be fired.
...
“Variable” variables in Javascript?
...ng eval():
var data = "testVariable";
eval("var temp_" + data + "=123;");
alert(temp_testVariable);
Or using the window object:
var data = "testVariable";
window["temp_" + data] = 123;
alert(window["temp_" + data]);
http://www.hiteshagrawal.com/javascript/dynamic-variables-in-javascript
...
How to append something to an array?
...ar ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
var ar3 = ar1.concat(ar2);
alert(ar1);
alert(ar2);
alert(ar3);
The concat does not affect ar1 and ar2 unless reassigned, for example:
var ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
ar1 = ar1.concat(ar2);
alert(ar1);
Lots of great i...
How to implement a confirmation (yes/no) DialogPreference?
...
That is a simple alert dialog, Federico gave you a site where you can look things up.
Here is a short example of how an alert dialog can be built.
new AlertDialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?...
What are bitwise operators?
...
These are the bitwise operators, all supported in JavaScript:
op1 & op2 -- The AND operator compares two bits and generates a result of 1 if both bits are 1; otherwise, it returns 0.
op1 | op2 -- The OR operator compares two bits and generates a result of 1 if the bits are...
Stopping scripters from slamming your website
...orkshop, the subsidiary of Woot that does the design, writes the product descriptions, podcasts, blog posts, and moderates the forums. I work with CSS/HTML and am only barely familiar with other technologies. I work closely with the developers and have talked through all of the answers here (and man...
Declaring javascript object method in constructor function vs. in prototype [duplicate]
...kCount = 0;
this.bark = function() {
barkCount++;
alert(this.name + " bark");
};
this.getBarkCount = function() {
alert(this.name + " has barked " + barkCount + " times");
};
};
Dog.prototype.wagTail = function() {
alert(this.name + " waggi...
“Thinking in AngularJS” if I have a jQuery background? [closed]
...hat the user sees.
Separation of concerns
jQuery employs unobtrusive JavaScript - behavior (JavaScript) is separated from the structure (HTML).
AngularJS uses controllers and directives (each of which can have their own controller, and/or compile and linking functions) to remove behavior from the...