From bafebfb86c8e0c74cd8cc6fa86719230c7eac3ce Mon Sep 17 00:00:00 2001 From: Pl4gue Date: Thu, 21 Dec 2017 15:39:03 +0000 Subject: [PATCH] Travis build: 43 --- README.md | 21 +++++++++++++++++++++ docs/index.html | 14 ++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/README.md b/README.md index 96dfe3c60..bfb0a410b 100644 --- a/README.md +++ b/README.md @@ -150,6 +150,7 @@ * [`isSymbol`](#issymbol) * [`RGBToHex`](#rgbtohex) * [`timeTaken`](#timetaken) +* [`toDecimalMark`](#todecimalmark) * [`toOrdinalSuffix`](#toordinalsuffix) * [`UUIDGenerator`](#uuidgenerator) * [`validateEmail`](#validateemail) @@ -2091,6 +2092,26 @@ const timeTaken = callback => { [⬆ back to top](#table-of-contents) +### toDecimalMark + +Convert a float-point arithmetic to the [Decimal mark](https://en.wikipedia.org/wiki/Decimal_mark) form. + +Use `toString()` to convert the float `num` to a string, then use regex to separate every three characters of the integer part with a comma. + + ```js +const toDecimalMark = (num) => { + let cleanNum = num.toString().split('').filter(n => '0123456789.'.includes(n)).join('') + let wholeNum = cleanNum.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",") + let decNum = `.${cleanNum.split('.')[1]}` + return wholeNum + decNum; +} +// toDecimalMark(12305030388.9087) //-> '12,305,030,388.9087' +// toDecimalMark(123.889087e2) //-> '12,388.9087' +// toDecimalMark('12305abc030388.9087') // -> '12,305,030,388.9087' +``` + +[⬆ back to top](#table-of-contents) + ### toOrdinalSuffix Adds an ordinal suffix to a number. diff --git a/docs/index.html b/docs/index.html index 0423fcd3e..deec6540b 100644 --- a/docs/index.html +++ b/docs/index.html @@ -181,6 +181,7 @@ isSymbol RGBToHex timeTaken +toDecimalMark toOrdinalSuffix UUIDGenerator validateEmail @@ -1270,6 +1271,19 @@ Omit the second argument to use the default regex.

// timeTaken(() => Math.pow(2, 10)) -> 1024 // (logged): timeTaken: 0.02099609375ms +

toDecimalMark

+

Convert a float-point arithmetic to the Decimal mark form.

+

Use toString() to convert the float num to a string, then use regex to separate every three characters of the integer part with a comma.

+
const toDecimalMark = (num) => {
+ let cleanNum = num.toString().split('').filter(n => '0123456789.'.includes(n)).join('') 
+ let wholeNum = cleanNum.split('.')[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",")
+ let decNum = `.${cleanNum.split('.')[1]}`
+ return wholeNum + decNum;
+}
+// toDecimalMark(12305030388.9087) //-> '12,305,030,388.9087'
+// toDecimalMark(123.889087e2) //-> '12,388.9087'
+// toDecimalMark('12305abc030388.9087') // -> '12,305,030,388.9087'
+

toOrdinalSuffix

Adds an ordinal suffix to a number.

Use the modulo operator (%) to find values of single and tens digits.