From a75d822dc017a739a9ec902425db53189cc7b9ad Mon Sep 17 00:00:00 2001
From: Giorgi Merabishvili <gimerabishvili@tbcbank.com.ge>
Date: Wed, 18 Nov 2020 21:59:10 +0400
Subject: [PATCH] shuffle-array

---
 .idea/.gitignore              |  8 ++++++++
 .idea/JavaScript-snippets.iml |  9 +++++++++
 .idea/misc.xml                |  6 ++++++
 .idea/modules.xml             |  8 ++++++++
 .idea/vcs.xml                 |  6 ++++++
 README.md                     | 14 ++++++++++++++
 6 files changed, 51 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/JavaScript-snippets.iml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/JavaScript-snippets.iml b/.idea/JavaScript-snippets.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/JavaScript-snippets.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..639900d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..6cdd868
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/JavaScript-snippets.iml" filepath="$PROJECT_DIR$/.idea/JavaScript-snippets.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 97ef1e7..e14f09c 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@
 |36 | [reduceRight](#reduceRight)|
 |37 | [Abort Fetch](#Abort-Fetch)|
 |38 | [How to change the value of an object which is inside an array](#How-to-change-the-value-of-an-object-which-is-inside-an-array)|
+|39 | [Shuffle Array](#Shuffle-Array)|
 
 
 
@@ -845,4 +846,17 @@ const newState = state.map((obj) =>
 
 ```
 
+**[⬆ Back to Top](#table-of-contents)**
+### Shuffle Array
+
+```javascript
+// Three quick steps to shuffle an array in Javascript: Map to a random number, sort on that and map the object back! 
+shuffleArray = anArray =>
+    anArray
+        .map(a => [Math.random(), a])
+        .sort((a, b) => a[0] - b[0])
+        .map(a => a[1]);
 
+console.log('Shuffled array', shuffleArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])) // Returns shuffled array
+
+```