array filter

last-endcode · last-endcode · commit 4d5cc75b6def · 2020-10-15T14:23:17.000+07:00
diff --git a/37_array_filter.js b/37_array_filter.js
@@ -0,0 +1,26 @@
+// filter
+// return new array
+// can manipulate the size of new array
+// return based on condition
+
+let people = [
+  { name: 'john doe', born: 1983, position: 'senior developer' },
+  { name: 'bobo', born: 1987, position: 'developer' },
+  { name: 'peter', born: 1989, position: 'designer' },
+  { name: 'sussy', born: 1975, position: 'the boss' },
+  { name: 'Jane', born: 1999, position: 'the boss' },
+];
+
+const developer = people.filter(function (items) {
+  return (
+    items.position === 'developer' || items.position === 'senior developer'
+  );
+});
+
+console.log(developer);
+
+const ages = people.filter(function (items) {
+  // yg kurang dari 1989 ada 3
+  return items.born < 1989;
+});
+console.log(ages);
