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Remove all child elements of a DOM node in JavaScript
.../button>
Option 2 A: Looping to remove every lastChild:
An earlier edit to this answer used firstChild, but this is updated to use lastChild as in computer-science, in general, it's significantly faster to remove the last element of a collection than it is to remove the first element (de...
MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...了控制图像列表额基本方法，这些方法在Windows 95及以后版本才能实现。该控件是不可见的，通常与其他如CListBox、CComboBox、CComboBoxEx以及CTabCtrl一起使用，为他们提供图标资源。
一、图像控件的对象结构
1 图像控件的数据成...
How to access parent Iframe from JavaScript
...
This solution is compatible with IE5+ compatibility quirks mode.
– Slayner
Apr 19 '16 at 9:19
...
Difference between core and processor
...Us. For optimization purposes, a core can also hold on-core caches with copies of frequently used memory chunks.
A CPU may have one or more cores to perform tasks at a given time. These tasks are usually software processes and threads that the OS schedules. Note that the OS may have many threads t...
Detecting input change in jQuery?
...he input event. This event will fire when the user is typing into a text field, pasting, undoing, basically anytime the value changed from one value to another.
In jQuery do that like this
$('#someInput').bind('input', function() {
$(this).val() // get the current value of the input field.
}...
How do I count a JavaScript object's attributes? [duplicate]
...key1": "value1", "key2": "value2", "key3": "value3"};
Object.prototype.foobie = 'bletch'; // add property to foo that won't be counted
var count = 0;
for (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
}
}
alert("Found " + count + " properties specific to foo");
The second l...
foreach with index [duplicate]
...s extension method around for this:
public static void Each<T>(this IEnumerable<T> ie, Action<T, int> action)
{
var i = 0;
foreach (var e in ie) action(e, i++);
}
And use it like so:
var strings = new List<string>();
strings.Each((str, n) =>
{
// hooray
});...
HTML / CSS How to add image icon to input type=“button”?
...g-<left|right>: <width of image>px;
It's usually a little easier to use a button with an img inside:
<button type="submit"><img> Text</button>
However the browser implementations of button for submitting are inconsistent, as well as the fact that all button values ...
Hide text using css
... It still shows the text very small in a more browsers than just IE7, this is not a complete cross browser solution.
– macguru2000
Oct 25 '12 at 23:47
8
...
anchor jumping by using javascript
...d set the scroll position to it. But this is so complicated.
Here is a lazier way to do that:
function jump(h){
var url = location.href; //Save down the URL without hash.
location.href = "#"+h; //Go to the target element.
history.replaceState(null,null,url...