1 10 2 fromCharCode.length = 1 3 ABCD 4 concat.length = 1 5 javascript is great! 6 slice.length = 2 7 world 8 orl 9 substring.length = 2 10 java 11 script 12 script 13 toLowerCase.length = 0 14 java 15 java 16 toUpperCase.length = 0 17 JAVASCRIPT 18 JAVASCRIPT 19 localeCompare.length = 1 20 -1 21 0 22 trim.length = 0 23 java 24 java 25 2 26 3 27 true 28 true 29 false 30 false 31 h 32 l 33 undefined 34 true 35 false 36 true 37 false