Remove First and Last Character (8 kyu) in JS

Author: a-merezhanyi

8kyu/(8 kyu) Remove First and Last Character/(8 kyu) Remove First and Last Character.js

@@ -0,0 +1,26 @@
+// 1 Plain solution
+function removeChar(str) {
+    let result = '';
+
+    for (let i = 1; i < str.length - 1; i++) {
+        result += str[i];
+    }
+
+    return result;
+};
+
+// 2 Optimized solution
+function removeChar(str) {
+    return str
+        .split('')
+        .filter((s, i) => i && i < str.length - 1 && s)
+        .join('');
+};
+  
+// 3 Clever solution
+function removeChar(str) {
+    return str.slice(1, str.length - 1);
+};
+
+// 4 Coding golf
+removeChar = str => str.slice(1, -1);

8kyu/(8 kyu) Remove First and Last Character/(8 kyu) Remove First and Last Character.md

@@ -0,0 +1,5 @@
+# Remove First and Last Character (8 kyu)
+
+https://www.codewars.com/kata/56bc28ad5bdaeb48760009b0
+
+It's pretty straightforward. Your goal is to create a function that removes the first and last characters of a string. You're given one parameter, the original string. You don't have to worry with strings with less than two characters.

README.md

@@ -729,6 +729,17 @@ JS Video Tutorial) :
 / [Java]
 / [Go]
 <br>
+**[(8 kyu) Convert a string to an array](https://www.codewars.com/kata/57e76bc428d6fbc2d500036d/)** ([Description](<8kyu/(8%20kyu)%20Convert%20a%20string%20to%20an%20array/(8%20kyu)%20Convert%20a%20string%20to%20an%20array.md>) +
+JS Video Tutorial) :
+[[JavaScript](<8kyu/(8%20kyu)%20Convert%20a%20string%20to%20an%20array/(8%20kyu)%20Convert%20a%20string%20to%20an%20array.js>)]
+/ [TypeScript]
+/ [Python]
+/ [Rust]
+/ [C++]
+/ [C#]
+/ [Java]
+/ [Go]
+<br>
 **[(8 kyu) Convert boolean values to strings 'Yes' or 'No'.](https://www.codewars.com/kata/544675c6f971f7399a000e79/)** ([Description](<8kyu/(8%20kyu)%20Convert%20boolean%20values%20to%20strings%20Yes%20or%20No/(8%20kyu)%20Convert%20boolean%20values%20to%20strings%20Yes%20or%20No.md>) +
 JS Video Tutorial) :
 [[JavaScript](<8kyu/(8%20kyu)%20Convert%20boolean%20values%20to%20strings%20Yes%20or%20No/(8%20kyu)%20Convert%20boolean%20values%20to%20strings%20Yes%20or%20No.js>)]
@@ -882,6 +893,18 @@ JS Video Tutorial) :
 / [[Java](<8kyu/(8%20kyu)%20Opposite%20number/(8%20kyu)%20Opposite%20number.java>)]
 / [[Go](<8kyu/(8%20kyu)%20Opposite%20number/(8%20kyu)%20Opposite%20number.go>)]
 <br>
+**[(8 kyu) Remove First and Last Character](https://www.codewars.com/kata/56bc28ad5bdaeb48760009b0)**
+([Description](<8kyu/(8%20kyu)%20Remove%20First%20and%20Last%20Character/(8%20kyu)%20Remove%20First%20and%20Last%20Character.md>) +
+JS Video Tutorial) :
+[[JavaScript](<8kyu/(8%20kyu)%20Remove%20First%20and%20Last%20Character/(8%20kyu)%20Remove%20First%20and%20Last%20Character.js>)]
+/ [TypeScript]
+/ [Python]
+/ [Rust]
+/ [C++]
+/ [C#]
+/ [Java]
+/ [Go]
+<br>
 **[(8 kyu) Remove String Spaces](https://www.codewars.com/kata/remove-string-spaces)**
 ([Description](<8kyu/(8%20kyu)%20Remove%20String%20Spaces/(8%20kyu)%20Remove%20String%20Spaces.md>) +
 [JS Video Tutorial](https://www.youtube.com/watch?v=GgbU1aeeFmo)) :