abs.js: abs_val() --> absVal() for standardjs (#144)

Author: cclauss

maths/abs.js

@@ -11,7 +11,7 @@
         https://en.wikipedia.org/wiki/Absolute_value
 */
 
-function abs_val (num) {
+function absVal (num) {
   // Find absolute value of `num`.
   'use strict'
   if (num < 0) {
@@ -22,5 +22,5 @@ function abs_val (num) {
 }
 
 // Run `abs` function to find absolute value of two numbers.
-console.log('The absolute value of -34 is ' + abs_val(-34))
-console.log('The absolute value of 34 is ' + abs_val(34))
+console.log('The absolute value of -34 is ' + absVal(-34))
+console.log('The absolute value of 34 is ' + absVal(34))