solve palindrome challenge

.gitignore

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+node_modules

package.json

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+{
+  "name": "js-algorithms",
+  "version": "1.0.0",
+  "main": "index.js",
+  "repository": "https://github.com/seunzone/js-algorithms.git",
+  "author": "seunzone <darealseun@gmail.com>",
+  "scripts": {
+    "start": "jest palindrome/test.js"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "jest": "^24.5.0"
+  }
+}

palindrome/index.js

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+function palindrome(str) {
+    const myWord = str.split('').reverse().join('');
+    if (myWord == str){
+        return true
+    } else {
+        return false
+    }
+}
+
+ module.exports = palindrome;

palindrome/test.js

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+const palindrome = require('./index');
+
+test('palindrome function is defined', () => {
+  expect(typeof palindrome).toEqual('function');
+});
+
+test('"aba" is a palindrome', () => {
+  expect(palindrome('aba')).toBeTruthy();
+});
+
+test('" aba" is not a palindrome', () => {
+  expect(palindrome(' aba')).toBeFalsy();
+});
+
+test('"aba " is not a palindrome', () => {
+  expect(palindrome('aba ')).toBeFalsy();
+});
+
+test('"greetings" is not a palindrome', () => {
+  expect(palindrome('greetings')).toBeFalsy();
+});
+
+test('"1000000001" a palindrome', () => {
+  expect(palindrome('1000000001')).toBeTruthy();
+});
+
+test('"Fish hsif" is not a palindrome', () => {
+  expect(palindrome('Fish hsif')).toBeFalsy();
+});
+
+test('"pennep" a palindrome', () => {
+  expect(palindrome('pennep')).toBeTruthy();
+});