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  • JavaScript Development
  • JS Principles
    • JS Principles
      • Primitive data types
      • typeof operator
      • Scope
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      • IIFE
      • Closure
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      • Conditional (ternary) operator
        • Coercion vs Conversion
      • Event-driven programming
      • Factory Function
      • JSON.stringify()
      • Strict mode
      • super() keyword
      • What are memory leaks?
      • Micro-tasks within an event loop (Summary)
      • Macro-tasks within an event loop (Summary)
      • null vs undefined
    • Memory Management
    • Advanced function concepts
      • Impure vs Pure Functions
      • Factory functions
  • JavaScript Objects & Arrays
    • Introducing JavaScript objects
      • Build-in objects
        • isNaN()
      • RegExp
        • RegExp.prototype.test()
      • String
        • String.prototype.split()
        • String.prototype.slice()
      • Objects
        • Object.assign()
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        • Object.defineProperties()
        • Object.defineProperty()
        • Object.entries()
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        • Object.getOwnPropertyNames()
        • Object.getPrototypeOf()
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        • Object.isSealed()
        • Map
      • Standard built-in methods to work with Arrays
        • Array.of()
        • Array.prototype.concat()
        • Array.prototype.every()
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        • Array.prototype.includes()
        • Array.prototype.flatMap()
      • Prototypal inheritance
        • Inheritance with the prototype chain
        • Inheriting "methods"
  • JavaScript Mid
    • JavaScript & ES
      • Arrow Function
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      • var, let, and const
      • Fetch API (function)
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      • Encapsulation
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      • call() - apply() - bind()
      • 'This' keyword
      • Functional Programming
  • Browser
    • Event-driven programming
  • TypeScript
    • The TypeScript Handbook
      • Basic Types
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      • Functions
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      • Classes
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      • Implements vs extends
  • Hackerrank Practices
    • Practices and examples
  • JS Math
    • Mathematical
      • JavaScript | Math.E() function
      • Math.abs( ) Method
      • Math.ceil( ) function
      • Math floor()
      • Math.imul( ) Function
      • Math log( ) Method
      • Math max()/min() Method
      • Math pow( ) Method
      • Math.sign( ) Function
      • Math sqrt( ) Method
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  1. JS Math
  2. Mathematical

JavaScript | Math.E() function

The Math.E() is an inbuilt function in JavaScript which is used to get the value of ep, where p is any given number. The number e is a mathematical constant having an approximate value equal to 2.718.

  • It was discovered by the Swiss mathematician Jacob Bernoulli.

  • This number is also called Euler’s number.

Syntax:

Math.exp(p)

Parameter: This funcion accepts a sinlge parameter p is any number.

Return Value: It return the value of ep, where p is any given number as parameter.

Example:

Input  : Math.exp(0)
Output : 1

Explanation: Here the value of parameter p is 0, So after putting the value 0 instead of p in ep then its value becomes 1.

Input  : Math.exp(2)
Output : 7.38905609893065

Explanation: Here the value of parameter p is 2, So after putting the value 2 instead of p in ep then its value becomes 7.38905609893065.

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Last updated 4 years ago

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