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Double not (!!) operator in PHP
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This Works for JavaScript too, Here's a list of Falsy Values For Javascript and heres a list of Falsy Values For PHP
– Jomar Sevillejo
Sep 8 '15 at 4:34
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Bootstrap 3 Collapse show state with Chevron icon
Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse ,
I have been able to show the state of collapse using chevron icons.
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Join strings with a delimiter only if strings are not null or empty
...der browsers like IE8 due to the lack of Array.prototype.filter() in their JavaScript engines.
For those who are interested in an efficient solution working in a wide range of browsers (including IE 5.5 - 8) and which doesn't require jQuery, see below:
var join = function (separator /*, strings */...
What's the difference between a web site and a web application? [closed]
... something that runs on the client (doing much of the processing in either javascript or actionscript, depending on how its implemented) and reaches back through some http process to the server for supporting data. The user doesn't move from page to page as much and experiences whatever they're goi...
browser sessionStorage. share between tabs?
...l the servlet to reset the event tracker.
1)first page JS
BODY onload="javascript:initPageLoad()"
function initPageLoad() {
var xmlhttp;
if (window.XMLHttpRequest) {
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
} else {
//...
What's the valid way to include an image with no src?
I have an image that I will dynamically populate with a src later with javascript but for ease I want the image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this?
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nginx: send all requests to a single html page
... I will use the url with History.getState() to route the requests in my javascript app. It seems like it should be a simple thing to do?
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HTML select form with option to enter custom value
...idn't toggle for me on Firefox, so I thought I would provide a simple html/javascript workaround that will function nicely within forms (regarding submission) until the day that the datalist tag is accepted by all browsers/devices. For more details and see it in action, go to: http://jsfiddle.net/6...
Stacked Tabs in Bootstrap 3
...al Bootstrap documentation as to how you should be handling this now under JavaScript / Tabs. See also, this tutorial on how to use the Bootstrap 3 setup properly to do vertical tabs. tutsme-webdesign.info/bootstrap-3-toggable-tabs-and-pills
– Neil Monroe
Apr 2...
How can I exclude $(this) from a jQuery selector?
...t;a href="#">B</a>
<a href="#">C</a>
</div>
Javascript
$(".content").on('click', 'a', function(e) {
e.preventDefault();
$(this).siblings().hide('slow');
});
Working demo: http://jsfiddle.net/wTm5f/
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