sort in Array

var list =[ 39, 108, 21, 55, 18, 9]  list.sort() //[108, 18, 21, 39, 55, 9 ]  var list =["Zebra", "Monkey", "Donkey"]  list.reverse() //["Monkey", "Zebra", "Donkey"]  --------------------------------------------------------- function sortmyway(data_A, data_B) { if ( data_A < data_B ) // data_A come before data_B return -1; if ( data_A > data_B ) // data_A come After data_B return 1; return 0; // data_A == data_B, no change. } var list =[ 39, 108, 21, 55, 18, 9] list.sort(sortmyway) // [9, 18, 21, 39, 55, 108]    ------------------------------ function sortmyway(data_A, data_B) { return ((data_A < data_B) ? -1 : ((data_A > data_B) ? 1 : 0)); } var list =[ 39, 108, 21, 55, 18, 9] list.sort(sortmyway) // [9, 18, 21, 39, 55, 108] --------------------------------------- function sortmyway(data_A, data_B) { return (data_A - data_B); } var list =[ 39, 108, 21, 55, 18, 9] list.sort(sortmyway) //[9, 18, 21, 39, 55, 108] --------------------------------------------------shortest way   function sortmyway(data_A, data_B) { return 0.5 - Math.random(); //random gives us result between 0 and 1 } var list =[ 39, 108, 21, 55, 18, 9] list.sort(sortmyway) //[21, 9, 39, 108, 18, 55]