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What is the “hasClass” function with plain JavaScript?
...an use jQuery's own implementation:
var className = " " + selector + " ";
if ( (" " + element.className + " ").replace(/[\n\t]/g, " ").indexOf(" thatClass ") > -1 )
To answer your more general question, you can look at jQuery's source code on github or at the source for hasClass specifically ...
Add table row in jQuery
...suggest is not guaranteed to give you the result you're looking for - what if you had a tbody for example:
<table id="myTable">
<tbody>
<tr>...</tr>
<tr>...</tr>
</tbody>
</table>
You would end up with the following:
<table id="myTab...
cancelling a handler.postdelayed process
...
If you can afford to cancel all callbacks and messages on the handler and don't want to have to keep references to the runnable the third point in the accepted answer to this question is another alternative that seems to work...
Evaluate if list is empty JSTL
I've been trying to evaluate if this array list is empty or not but none of these have even compiled:
2 Answers
...
Best practice: PHP Magic Methods __set and __get [duplicate]
...tters, but in many cases that does not really matter; what's a millisecond if not used frequently? You can get autocomplete (at least in PhpStorm) by setting PHPDoc's @property which also provides documentation and the last point about consistency is merely opinion and opinions vary (see user187291'...
Case-insensitive search
...ow is the BEST";
var result = string.match(/best/i);
// result == 'BEST';
if (result){
alert('Matched');
}
Using a regular expression like that is probably the tidiest and most obvious way to do that in JavaScript, but bear in mind it is a regular expression, and thus can contain regex metach...
Link to reload current page
...n also use .. to refer to the folder above the current path, for instance, if you have this file structure:
page1.html
folder1
page2.html
You can then in page2.html write:
<a href="../page1.html">link to page 1</a>
EDIT:
I'm not sure if the behaviour has changed or if it was a...
Block comments in html.erb templates in rails
...n't count as a solution, but perhaps enclosing the chunk between an
<% if false %>
...
<% end %>
or if you feel a little dirty, create a helper that simply outputs nothing.
I've never needed it, but I'm stumbled there seems to be no out-of-the-box solution for this.
...
Split long commands in multiple lines through Windows batch file
...er that the caret and the newline following it are completely removed. So, if there should be a space where you're breaking the line, include a space. (More on that below.)
Example:
copy file1.txt file2.txt
would be written as:
copy file1.txt^
file2.txt
...
Unzipping files in Python
...
what if the contents of the .zip archive are same, in all .zip archives? how to rename the content before extracting? example: 1.zip 2.zip.. all contain content.txt : extract all like 1content.txt 2content.txt?
...