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Difference between $(this) and event.target?
...presents the element that received the event.
For example:
<!DOCTYPE html>
<html>
<head>
<script>
function mouseDown() {
alert(this);
}
</script>
</head>
<body>
<p onmouseup="mouseDown();a...
Best way to use html5 data attributes with rails content_tag helper?
... helpers:
http://api.rubyonrails.org/classes/ActionView/Helpers/TagHelper.html#method-i-tag
E.g.,
tag("div", :data => {:name => 'Stephen', :city_state => %w(Chicago IL)})
# => <div data-name="Stephen" data-city-state="[&quot;Chicago&quot;,&quot;IL&quot;]" />
...
Javascript trick for 'paste as plain text` in execCommand
...board data directly as text, so you don't have to do ugly hacks to replace HTML.
I'm not sure of cross-browser support, though.
editor.addEventListener("paste", function(e) {
// cancel paste
e.preventDefault();
// get text representation of clipboard
var text = (e.originalEvent |...
Scroll to a div using jquery
...e "link" from the ID
id = id.replace("link", "");
// Scroll
$('html,body').animate({
scrollTop: $("#" + id).offset().top
}, 'slow');
}
$("#sidebar > ul > li > a").click(function(e) {
// Prevent a page reload when a link is pressed
e.preventDefault();
// ...
Changing image sizes proportionally using CSS?
...t will make the image have the height proportional to the new width.
Ex:
HTML:
<div class="container">
<img src="something.png" />
</div>
<div class="container">
<img src="something2.png" />
</div>
CSS:
.container {
width: 200px;
height: 120px;
}
/...
Get the full URL in PHP
...l = "//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
$escaped_url = htmlspecialchars( $url, ENT_QUOTES, 'UTF-8' );
echo '<a href="' . $escaped_url . '">' . $escaped_url . '</a>';
Here are some more details about the issues and edge cases of the //example.com/path/ format
Full v...
How can you customize the numbers in an ordered list?
...
You can also specify your own numbers in the HTML - e.g. if the numbers are being provided by a database:
ol {
list-style: none;
}
ol>li:before {
content: attr(seq) ". ";
}
<ol>
<li seq="1">Item one</li>
<li seq="20">Ite...
How to do a Jquery Callback after form submit?
...hat .serialize doesn't include file inputs in your POSTed request. Use the HTML5 FormData (see this question) instead unless you are supporting old browsers like IE < 9
– brichins
Nov 9 '15 at 20:26
...
application/x-www-form-urlencoded or multipart/form-data?
...you can fill MIME type which suits you). This is also the case for typical HTML representation based webapps (e.g. json payload became very popular for transmitting payload for ajax requests).
Regarding Restful API over HTTP the most popular content-types I came in touch with are application/xml and...
Change an HTML5 input's placeholder color with CSS
...nslations: some languages need more room for the same word.
Browsers with HTML support for placeholder but without CSS support for that (like Opera) should be tested too.
Some browsers use additional default CSS for some input types (email, search). These might affect the rendering in unexpected wa...