Javascript

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Index

Basic

How to output

  1. console.log() - Output in the developer console.
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var a = 50;
console.log(a);
  1. alert() - Output in the browser.
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var a = 50;
alert(a);

How to take Input

prompt() function is used to take input.

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var lastQuestion;
lastQuestion = prompt("How long the universe will last?: ");
console.log(lastQuestion);

Variables

Converting Between Values

  1. From String To Number:

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    var strNum = "3.14";
    var num = Number(strNum);
    console.log(strNum);
    console.log(num);

  2. From Number to String:

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    var num = 2.72;
    var strNum = String(num);
    console.log(num);
    console.log(strNum);
Working with Numbers

TODO

Conditional Statement