jQuery - Read For Learn

How to send multiple data fields via Ajax?

The correct syntax is: As specified here: http://api.jquery.com/jQuery.ajax/ So if that doesn’t work, I would alert those variables to make sure they have values.

jQuery Ajax error handling, show custom exception messages

Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message? For example, if I want to throw an exception on the server side via Struts by throw new ApplicationException(“User name already exists”);, I want to catch this message (‘user name already exists’) in the jQuery AJAX error message. On … Read more

Adding placeholder attribute using Jquery

You just need this: classList is used for manipulating classes and not attributes.

Change Placeholder Text using jQuery

Copy and paste this code in your js file, this will change all placeholder text from whole site.

Set select option ‘selected’, by value

There’s an easier way that doesn’t require you to go into the options tag: Check out the this jQuery method. NOTE: The above code does not trigger the change event. You need to call it like this for full compatibility:

How do you select a particular option in a SELECT element in jQuery?

A selector to get the middle option-element by value is For an index: For a known text: EDIT: As commented above the OP might have been after changing the selected item of the dropdown. In version 1.6 and higher the prop() method is recommended: In older versions: EDIT2: after Ryan’s comment. A match on “Selection … Read more

data.map is not a function

Objects, {} in JavaScript do not have the method .map(). It’s only for Arrays, []. So in order for your code to work change data.map() to data.products.map() since products is an array which you can iterate upon.

speedtest.net api

speedtest.net is run by Ookla and their Speed Test application. Unfortunately they don’t provide any public APIs for speedtest.net which you could use. Although I doubt either of these meet your needs, they do provide Speed Test Mini and a hosted reporting solution for their full Speed Test software package (which includes CSV exporting capabilities). The reason you’re unable to … Read more

jQuery Selector: Id Ends With?

If you know the element type then: (eg: replace ‘element’ with ‘div’) If you don’t know the element type: More information available

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