obj short technique.. 🚀

Author: lgope

js-coding-technique/bitwise-indexOf.js

@@ -0,0 +1,19 @@
+// Longhand:
+
+if (arr.indexOf(item) > -1) {
+  // Confirm item IS found
+}
+
+if (arr.indexOf(item) === -1) {
+  // Confirm item IS NOT found
+}
+
+// Shorthand:
+
+if (~arr.indexOf(item)) {
+  // Confirm item IS found
+}
+
+if (!~arr.indexOf(item)) {
+  // Confirm item IS NOT found
+}

js-coding-technique/obj-entries.js

@@ -0,0 +1,14 @@
+const credits = {
+  producer: 'Lakshman',
+  director: 'Gope',
+  assistant: 'Proddut'
+};
+const arr = Object.entries(credits);
+console.log(arr);
+
+/** Output:
+[ [ 'producer', 'Lakshman' ],
+  [ 'director', 'Gope' ],
+  [ 'assistant', 'Proddut' ]
+]
+**/

js-coding-technique/obj-values.js

@@ -0,0 +1,11 @@
+const credits = {
+  producer: 'Lakshman',
+  director: 'Gope',
+  assistant: 'Proddut'
+};
+const arr = Object.values(credits);
+console.log(arr);
+
+/** Output:
+[ 'Lakshman', 'Gope', 'Peter' ]
+**/