How to wait 5 seconds with jQuery?

Built in javascript setTimeout. UPDATE: you want to wait since when the page has finished loading, so put that code inside your $(document).ready(…); script. UPDATE 2: jquery 1.4.0 introduced the .delay method. Check it out. Note that .delay only works with the jQuery effects queues.

Disable button in jQuery

Use .prop instead (and clean up your selector string): generated HTML: But the “best practices” approach is to use JavaScript event binding and this instead:

jQuery $(this) keyword

When you perform an DOM query through jQuery like $(‘class-name’) it actively searched the DOM for that element and returns that element with all the jQuery prototype methods attached. When you’re within the jQuery chain or event you don’t have to rerun the DOM query you can use the context $(this). Like so: $(this) will … Read more

Disable button in jQuery

Use .prop instead (and clean up your selector string): generated HTML: But the “best practices” approach is to use JavaScript event binding and this instead:

Why does my JavaScript code receive a “No ‘Access-Control-Allow-Origin’ header is present on the requested resource” error, while Postman does not?

If I understood it right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different when you want to do a cross-domain request. A tutorial about how to … Read more