數組排序

var arr = [{'name': '張三', age: 26},{'name': '李四', age: 12},{'name': '王五', age: 37},{'name': '趙六', age: 4}];
			var objectArraySort = function (keyName) {
			 return function (objectN, objectM) {
			  var valueN = objectN[keyName]
			  var valueM = objectM[keyName]
			  if (valueN < valueM) return 1
			  else if (valueN > valueM) return -1
			  else return 0
			 }
			}
			arr.sort(objectArraySort('age'))
			console.log(arr)