TypeScript libraries in JavaScript applications I found that writing library and application code are two pretty different experiences. They serve different purposes and targets: Application code targets the users of the application, that (usually) do not interact with the underling code, whereas Library code targets other developers and as such, it needs to strive for reusability and a good

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About gulp & gulp-sourcemaps. A  Jul 5, 2015 TypeScript is JavaScript superset. Using TypeScript gives us a couple of benefits: You get type errors compile-time and runtime (since version 1.5  noImplicitReturns. Error on functions which do not return from every branch. Run JavaScript. 1.

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It is a strongly typed superset of JavaScript which compiles to plain JavaScript. TypeScript is developed and maintained by Microsoft under the Apache 2 license. It is not directly run on the browser. It needs a compiler to compile and generate in JavaScript file. TypeScript source file is in ".ts" extension.

One file should contain the JavaScript needed in order to render the page, while the other file should contain all other JS which in turn should be deferred. When To Choose: Typescript vs.

let nums1 = [1, 2, 3, 4] let nums2 = [3, 4, 5, 6] let nums3 = [5, 6, 7, 8] We have to merge them so the our new array becomes: combinedNums = [1, 2, 3, 4, 3, 4, 5, 6, 5, 6, 7, 8] Using concat () Method: The concat () method accept arrays as arguments and returns the merged array.