First commit

Prep 2/codingjs-1.js

@@ -0,0 +1,30 @@
+// s/o to https://the-winter.github.io/codingjs
+
+// https://the-winter.github.io/codingjs/exercise.html?name=sleepIn&title=Warmup-1
+function sleepIn(weekday, vacation) {
+    return !weekday || vacation
+}
+
+// https://the-winter.github.io/codingjs/exercise.html?name=monkeyTrouble&title=Warmup-1
+function monkeyTrouble(aSmile, bSmile) {
+    return (aSmile && bSmile) || (!aSmile && !bSmile)
+}
+
+// https://the-winter.github.io/codingjs/exercise.html?name=sumDouble&title=Warmup-1
+function sumDouble(a, b){
+    return a === b ? a * 4 : a + b
+}
+
+// https://the-winter.github.io/codingjs/exercise.html?name=frontBack&title=Warmup-1
+function frontBack(str){
+    const chars = str.split("")
+    ;[chars[0], chars[chars.length - 1]] = [chars[chars.length - 1], chars[0]];
+    return chars.join("")
+}
+
+// https://the-winter.github.io/codingjs/exercise.html?name=intMax&title=Warmup-1
+function intMax(a, b, c){
+  // I'll assume Math.max(a, b, c) is cheating
+  
+  return a > b && a > c ? a : b > c ? b : c
+}