https://ja.wikibooks.org/wiki/JavaScript/Number/isInteger
JavaScript/Number/isInteger - Wikibooks
javascriptnumberwikibooks
https://au.mathworks.com/help/matlab/ref/isinteger.html
isinteger - Determine whether input is integer array - MATLAB
This MATLAB function returns logical 1 (true) if A is an array of integer type.
determinewhetherinputintegerarray