upload.

src/es6/map-reduce.js

+let l = [
+    { "name": "A", "age": 12 },
+    { "name": "B", "age": 20 },
+    { "name": "C", "age": 16 },
+    { "name": "D", "age": 30 },
+    { "name": "E", "age": 56 },
+];
+
+let result = l.reduce( (prev, curr) => { prev[curr.name] = curr.age; return prev;}, {} );
+console.log(result); 
\ No newline at end of file

src/moment-demo.js

@@ -25,14 +25,19 @@ var moment = require("moment");
 // print(duration1, duration2, result);
 
 // 求时间的差值
-var start_time = "2019-03-31";
-var end_time = "2019-06-30";
-print(moment.VERSION);
-print(moment('2020-02-01').add(1, 'months'));
-print(moment(start_time).add(3, 'months'));
-print(moment(end_time).diff(moment(start_time), 'months', true));
-print(moment(start_time).add(3, 'months').diff(moment(start_time), 'months'));
-print(moment(start_time).add(90, 'days').diff(moment(start_time), 'days'));
+// var start_time = "2019-03-31";
+// var end_time = "2019-06-30";
+// print(moment.VERSION);
+// print(moment('2020-02-01').add(1, 'months'));
+// print(moment(start_time).add(3, 'months'));
+// print(moment(end_time).diff(moment(start_time), 'months', true));
+// print(moment(start_time).add(3, 'months').diff(moment(start_time), 'months'));
+// print(moment(start_time).add(90, 'days').diff(moment(start_time), 'days'));
+
+var start_time = '2020-05-09 14:30:00';
+var end_time = '2020-05-09 14:00:00';
+var d = moment(start_time).diff(end_time, 'minutes');
+print(d >= 30); 
 
 // 取整点
 // var start_time = "2019-07-08 23:45:09";