AI-generated Key Takeaways
-
The
Number.format()method converts a number to a string using printf-style formatting. -
The
patternargument is a printf-style format string that specifies how the number should be formatted. -
Examples demonstrate formatting numbers with zero-filling, specific decimal places, and scientific notation.
| Usage | Returns |
|---|---|
Number.
format
( pattern
)
|
String |
Argument
Type
Details
this:
number
Number
The number to convert to a string.
pattern
String, default: "%s"
A printf-style format string. For example, '%.2f' produces numbers formatted like '3.14', and '%05d' produces numbers formatted like '00042'. The format string must satisfy the following criteria:
- Zero or more prefix characters.
- Exactly one '%'.
- Zero or more modifier characters in the set [#-+ 0,(.\d].
- Exactly one conversion character in the set [sdoxXeEfgGaA].
- Zero or more suffix characters.
Examples
Code Editor (JavaScript)
print ( 'Zero-fill to length of 3' , ee . Number ( 1 ). format ( '%03d' )); // 001 print ( 'Include 1 decimal place in 1.2347' , ee . Number ( 1.23476 ). format ( '%.1f' )); // 1.2 print ( 'Include 3 decimal places in 1.2347' , ee . Number ( 1.23476 ). format ( '%.3f' )); // 1.235 (rounds up) print ( 'Scientific notation with 3 decimal places shown' , ee . Number ( 123476 ). format ( '%.3e' )); // 1.235e+05 (rounds up) print ( 'Integer with 2 decimal places of precision' , ee . Number ( 123476 ). format ( '%.2f' )); // 123476.00
import ee import geemap.core as geemap
Colab (Python)
display ( 'Zero-fill to length of 3:' , ee . Number ( 1 ) . format ( ' %03d ' )) # 001 display ( 'Include 1 decimal place in 1.2347:' , ee . Number ( 1.23476 ) . format ( ' %.1f ' )) # 1.2 display ( 'Include 3 decimal places in 1.2347:' , ee . Number ( 1.23476 ) . format ( ' %.3f ' )) # 1.235 (rounds up) display ( 'Scientific notation with 3 decimal places shown:' , ee . Number ( 123476 ) . format ( ' %.3e ' )) # 1.235e+05 (rounds up) display ( 'Integer with 2 decimal places of precision:' , ee . Number ( 123476 ) . format ( ' %.2f ' )) # 123476.00
