This is a little tip for today: sometimes, you don’t have access to know what version of jQuery is loaded in a website or web application, so you can use the Firebug console to know what version is actually loaded. Just, type one of the next lines and you will obtain that data. Both major…
Today, I would like to share a useful code that could help when you need to know if a color is correctly entered in an input field. So, here is an example of how to validate an HTML hexadecimal color by using a regular expression in JavaScript. The regular expression to accomplish this task is:…
When we are creating plugins or simple code in jQuery and there is a single or many plugin dependences among them, a common task is to implement a mechanism to validate if a jQuery plugin exists before running “depending” code, for example if we have this code and we have not included jqprint (a nice plugin…
In a previous post I explained what is the process for Saving a complex JSON object in a cookie by using jQuery (demo included in PHP). Now, I would like to add some related information about how to set an expiry date of a cookie using the same plugin (jQuery Cookies). First of all, it is important…
Today, I spent almost three hours to test and implement a mechanism to save a complex JSON object and get it to render in a HTML output,, for this reason I would like to explain what was the best easiest way that I found for saving my object. First, I would recommend you to be sure that…
When you need to know if an element exists in the DOM (Document Object Model), only uses this small code: <script type=”text/javascript”> (function($){ $(document).on(‘ready’, function(){ if( $(“element”).length ){ // Do something 🙂 } }); })(jQuery); </script> The length property returns the number of elements that match with our selector. For example, imagine that you have the…