DOWNLOAD JSLINQ.JS

After playing with the default operators for a bit, I found myself wanting to extend them a bit with some new ones. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Email Required, but never shown. I admit that my research on this was pretty minimal, since after looking at a few libraries I decided to just try JSLINQ and run with it. Improving the question-asking experience.

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Starting from the beginning of the collection, it will return items until the supplied clause fails.

Sign up using Email and Password. It supplies the callback function with both the current element as well as the index within the collection. How do we handle problem users?

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Please indicate how this should be done: NET, and comes with a nice set of operators out of the box. Thanks eduardo, it currently only returns one object first item jsfiddle. jsoinq.js

If you look at the source, the code behind it is very simple, which illustrates the point that this is simply a syntactic sugar that lets you write much more expressive code. Also, I will define this helper function for using a JavaScript alert to show what the results of an expression are, by showing a concatenated string of the first names in the collection:.

The idea is to create a unique list of items, based on multiple fields.

JSLINQ - Distinct from multiple columns - Stack Overflow

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Maybe something like this helps you out: We are going to select all people who have a first name longer than 4 characters, and then order them alphabetically: Skip 5 ; Output: My version is essentially a simplified version of theirs, tuned for this particular use case: Thank you so much Eduardo, saw your submission to the library!

Great, so am I.

JSLINQ OrderByAscending - JSFiddle

It simply takes in an integer, and returns that many elements from the collection, starting from the beginning. Email Required, but never shown. Again, it is modeled after the. Sign up or log in Sign up using Google. Active 2 years, 6 months ago.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. My version is essentially a simplified version of theirs, tuned for this particular use case:.

Take 5 ; Output: Unsurprisingly, it turns out that others have addressed this need already, in various different flavors. Inside the distinct method, you have this inside the foreach: NET LINQ Take operator, if you pass in a value larger than the length of the collection, you will simply get the jslins.js collection back.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Change the distinct method to this: Here is the code I came up with for Take:. Starting at the beginning, the function supplied as the callback parameter will be called for each element, via the JavaScript call method. There's another possible fix to this if you want to try. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

We are going to select all people who have a jslibq.js name longer than 4 characters, and then order them alphabetically:. I also used jQuery as inspiration for the means of implementation as well, so I give them most of the credit here for the body of that function. I found myself wanting to apply LINQ-like operations to those collections, and decided to see what was out there before writing my own.