Google is using TypeScript and Angular on TypeScript for its famous products such as Google Analytics, Firebase, and Google Cloud Platform including its critical internal tools – bug tracking, employee reviews, and product approval and launch tools. Brad also added, Google codebase has millions of lines of Dart code.
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TypeScript has a lower learning curve since JavaScript is also a valid TypeScript, whereas Dart is a full programming language that gives some extra syntactical features . TypeScript is designed and developed by Microsoft, whereas Dart is taken care of by Google, later approved as a standard by ECMA.
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