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Which of the following runs the JavaScript code? (a) Just In Time compiler (b) JavaScript Interpreter (c) Both Just In Time compiler and JavaScript Interpreter (d) Javascript compiler The question was posed to me in an interview for internship. My enquiry is from Page Render BottleNecks Optimization topic in chapter Invocation and Performance Navigation of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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Right option is (b) JavaScript Interpreter To explain I would say: A JavaScript engine is a computer program that executes JavaScript (JS) code. The first JS engines were mere interpreters, but all relevant modern engines utilize just-in-time compilation for improved performance. The JavaScript Interpreter runs the JavaScript code.

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