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Certificate · AL
JSA – Certified Associate JavaScript Programmer
OpenEDG JS Institute
Median earnings
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Cost
$295
Duration
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Completion
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JSA validates associate-level proficiency in object-oriented JavaScript, built-in objects, and advanced function patterns. Its scope includes generators, iterators, and asynchronous code with promises and async/await. No formal prerequisites apply, though the JSE credential is recommended, and the exam has 40 single- and multiple-select questions over 60 minutes with a 70% passing score. Exam JSA-41-0x.
Build classless objects with literals, constructors, factories, and Object.createWork with object properties and methods: access, add, modify, delete, and enumerate themCompare and copy objects using reference, shallow, and deep cloning approachesImplement methods, getters, setters, and property descriptors that control mutabilityApply prototypal inheritance through the prototype chainDeclare classes with constructors, fields, methods, and static membersImplement class inheritance using extends, method overriding, and superManipulate numbers, strings, dates, and Math functions with built-in objectsProcess arrays with functional methods such as map, filter, reduce, and sortManage collections with Set, Map, and dictionary objects and serialize data with JSONUse regular expressions to find and transform textUse default, rest, and spread parameters, closures, IIFEs, and call, apply, and bindBuild decorators, higher-order functions, generators, and custom iteratorsWrite asynchronous code with callbacks, promises, and async/await, including error handlingSend network requests with XMLHttpRequest and the Fetch API