How JavaScript uses the isLength function
This article will explain in detail how JavaScript uses the isLength function. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.
IsLength: check whether value is a valid class array length
Function isLength (value) {return typeof value = = 'number' & & value >-1 & & value% 1 = = 0 & & value
