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Get protocol, domain, and port from URL
...ically the url of the current page.
Method 1: Use the URL API (caveat: no IE11 support)
You can use the URL API (not supported by IE11, but available everywhere else).
This also makes it easy to access search params. Another bonus: it can be used in a Web Worker since it doesn't depend on the DO...
How to detect unused methods and #import in Objective-C
...
As paddydub said, AppCode do this very well. I tried, and it took me just 10 minutes :
Go to Code > Optimize Imports..., or ^ + ⌥ + O
Here is a video describing how to do this : Detection of unused import and methods in AppCode
...
How to automatically crop and center an image
...t */
.center-cropped img {
min-height: 100%;
min-width: 100%;
/* IE 8 */
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
/* IE 5-7 */
filter: alpha(opacity=0);
/* modern browsers */
opacity: 0;
}
<div class="center-cropped"
style="background-ima...
Selecting text in an element (akin to highlighting with your mouse)
...nt) {
var text = document.getElementById(element);
if ($.browser.msie) {
var range = document.body.createTextRange();
range.moveToElementText(text);
range.select();
} else if ($.browser.mozilla || $.browser.opera) {
var selection = window.getSelection();
...
jQuery event to trigger action when a div is made visible
...
Newbie here. I don't understand why obj (and newCallback) can be referenced outside of function() declaration as can be seen in apply(). I was taught that declaring with var makes variables local, but removing "var" makes them au...
Make body have 100% of the browser height
...ting both the html and body element's heights to 100%, you could also use viewport-percentage lengths.
5.1.2. Viewport-percentage lengths: the ‘vw’, ‘vh’, ‘vmin’, ‘vmax’ units
The viewport-percentage lengths are relative to the size of the initial containing block. When the height o...
Display HTML snippets in HTML
...
@SamWatkins But your solution isn’t any easier than mine. You’ve just changed what needs to be escaped, and your solution is hacky, as you admit. There is literally no advantage over doing it properly. This is a solved problem with a correct solution. No need for ha...
JavaScript click event listener on class
...ddEventListener('click', myFunction);
});
Note: Older browsers (like IE6, IE7, IE8) don´t support getElementsByClassName and so they return undefined.
EDIT : Correction
getElementsByClassName doesnt return an array, but a HTMLCollection in most, or a NodeList in some browsers (Mozilla ref...
How can I get the button that caused the submit from the form submit event?
... spotted another drawback. If a user submits the form via enter in a text field, the document.activeElement is not set. You'd need to watch out for this yourself, by handling keypress events in input[type="text"] and similar.
Update 2017-01: For my library Hyperform I chose not to use activeElement...
Reset/remove CSS styles for element only
... in the spec. The initial keyword has broad browser support except for the IE and Opera Mini families.
Since IE's lack of support may cause issue here are some of the ways you can reset some CSS properties to their initial values:
.reset-this {
animation : none;
animation-delay : 0;
an...