Issuing 'printvalue' and 'print div' will show that the variables are 10 and 6 for this first wib call and 'print I' will show zero.
发出' print value '和' print div '将会显示在第一次调用wib时,变量分别等于10和6,而' print i '将会显示0。
2
It works correctly with undefined values as well, whereas with warnings turned on, a regular expression match on an undefined value will print a warning.