JS: Number.parseFloat

By Xah Lee. Date: . Last updated: .


Convert a string string (For example, "3.14") to a decimal number.

Number.parseFloat is the same function as the global function parseFloat.

[see JS: the Global Object]

 Number.parseFloat === parseFloat
// true
// string to number
 parseFloat("324") === 324
// true


ECMAScript® 2016 Language Specification#sec-number.parsefloat

Number Topic

  1. JS: Format Number
  2. JS: String to Number
  3. JS: Number Object
  4. JS: Number Constructor
  5. JS: Number.prototype

String Topic

  1. JS: String Overview
  2. JS: Template String
  3. JS: String Escape Sequence
  4. JS: Unicode Escape Sequence
  5. JS: String Object
  6. JS: String.prototype
  7. JS: String to Number
  8. JS: Encode URL, Escape String
  9. JS: Format Number
  10. JS: JSON
  11. JS: Source Code Encoding
  12. JS: Allowed Characters in Identifier
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