How to convert a String to long in javascript?

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JavaScript has a Number type which is a 64 bit floating point number*.

If you’re looking to convert a string to a number, use

  1. either parseInt or parseFloat. If using parseInt, I’d recommend always passing the radix too.
  2. use the Unary + operator e.g. +"123456"
  3. use the Number constructor e.g. var n = Number("12343")

*there are situations where the number will internally be held as an integer.

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