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Get an array of list element contents in jQuery
...
And in clean javascript:
var texts = [], lis = document.getElementsByTagName("li");
for(var i=0, im=lis.length; im>i; i++)
texts.push(lis[i].firstChild.nodeValue);
alert(texts);
...
Compare JavaScript Array of Objects to Get Min / Max
...ength;i++) {
val = cmp(val, arr[i][attr])
}
return val;
}
alert(finder(Math.max, myArray, "Cost"));
alert(finder(Math.min, myArray, "Cost"));
or if you had a deeply nested structure, you could get a little more functional and do the following:
var myArray =
[
{"ID": 1, "Cost...
What is function overloading and overriding in php?
...user function and a method:
/// Function Overriding ///
function a(){
alert('a');
}
a=function(){
alert('b');
}
a(); // shows popup with 'b'
/// Method Overriding ///
var a={
"a":function(){
alert('a');
}
}
a.a=function(){
alert('b');
}
a.a(); // shows popup with 'b'
...
Python's json module, converts int dictionary keys to strings
...ect properties are converted to String.
var a= {1: 'a'};
for (k in a)
alert(typeof k); // 'string'
This can lead to some curious-seeming behaviours:
a[999999999999999999999]= 'a'; // this even works on Array
alert(a[1000000000000000000000]); // 'a'
alert(a['999999999999999999999']); // fail
...
How to detect if my shell script is running through a pipe?
How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process?
...
What does immutable mean?
...ou instantiate the object, you can't change its properties. In your first alert you aren't changing foo. You're creating a new string. This is why in your second alert it will show "foo" instead of oo.
Does it mean, when calling methods on
a string, it will return the modified
string, but...
PowerShell script to return versions of .NET Framework on a machine?
What would a PowerShell script be to return versions of the .NET Framework on a machine?
16 Answers
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How to change current Theme at runtime in Android [duplicate]
...t*/
String choose[] = {"Theme_Holo_Light","Theme_Black"};
AlertDialog.Builder b = new AlertDialog.Builder(this);
/** Setting a title for the window */
b.setTitle("Choose your Application Theme");
/** Setting items to the alert dialog */
b.setSingleC...
Make a number a percentage
...o need for anything fancy:
var number1 = 4.954848;
var number2 = 5.9797;
alert(Math.floor((number1 / number2) * 100)); //w00t!
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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 () {
...