In jQuery functions, this most often refers to the actual DOM element you’re dealing with, whereas $(this) returns a jQuery object that wraps the element. In JavaScript, this always refers to the current scope. Many of jQuery’s functions will set that scope to be the element you’re working with. For instance The point is, that the jQuery object has all the … Read more
You can use .length with just a descendant selector, like this: If you have to use .children(), then it’s like this: You can test both versions here.
Brad Wilson has a couple great articles on unobtrusive validation and unobtrusive ajax.It is also shown very nicely in this Pluralsight video in the section on ” AJAX and JavaScript”. Basically, it is simply Javascript validation that doesn’t pollute your source code with its own validation code. This is done by making use of data- attributes in HTML.
If you want a nice slow animation scroll, for any anchor with href=”#bottom” this will scroll you to the bottom: Feel free to change the selector.
As “there are tens of thousands of cells in the page” binding the click-event to every single cell will cause a terrible performance problem. There’s a better way to do this, that is binding a click event to the body & then finding out if the cell element was the target of the click. Like … Read more
You can’t do this with jQuery, it explicitly forbids it because IE doesn’t support it (check your console you’ll see an error. You have to remove the input and create a new one if that’s what you’re after, for example: You can give it a try here To be clear on the restriction, jQuery will not allow … Read more
This could help: Demo fiddle This would give you the option with text B and not the ones which has text that contains B. For recent versions of jQuery the above does not work. As commented by Quandary below, this is what works for jQuery 1.9.1: Updated fiddle
I have data in CSV format data and want to convert into JSON format using Javascript. Following are csv format: id;name integer;string 1;Harper Lee 2;JRR Tolkien 3;William Shakespeare I want to get all the books with their authors. So please how can I implement it using Javascript.
I’m not a programmer, but I use the code below to scroll the page to the top. How can I adapt it to make a scroll down?
Try this: