Number
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Number values represent floating-point numbers like 37 or -9.25.
The Number constructor contains constants and methods for working with numbers. Values of other types can be converted to numbers using the Number() function.
Description
Numbers are most commonly expressed in literal forms like 255 or 3.14159. The lexical grammar contains a more detailed reference.
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