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Chapter 6_/ex 3

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+        const myArr = [];
+
+        for(let x=0;x<10;x++){
+            let val1 = 5 * x;
+            let val2 = x * x;
+            let res = cal(val1, val2);
+            myArr.push(res);
+        }
+        console.log(myArr);
+        function cal(a, b) {
+            return a + b;
+        }

Chapter 6_/ex1

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+        const val1 = 10;
+        const val2 = 20;
+        console.log(adder(val1, val2));
+        console.log(adder(20, 30));
+        function adder(a, b) {
+            return a + b;
+        }

Chapter 6_/ex2

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+        const val1 = 10;
+        const val2 = 5;
+        let operat = "-";
+        console.log(cal(val1, val2, operat));
+        operat = "+";
+        console.log(cal(val1, val2, operat));
+        function cal(a, b, op) {
+            if (op == "-") {
+                return a - b;
+            } else {
+                return a + b;
+            }
+        }

Chapter 6_/ex4

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+const adj = ["super", "wonderful", "bad", "angry", "careful"]; 
+
+  
+
+function myFun() { 
+
+    const question = prompt("what is your name?"); 
+
+    const nameAdj = Math.floor(Math.random() * adj.length); 
+
+    console.log(adj[nameAdj] + " " + question ); 
+
+} 
+
+myFun(); 

Chapter 6_/ex5

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+function calcFactorial(nr) { 
+    console.log(nr);
+if (nr === 0) { 
+  return 1; 
+} else { 
+  return nr * calcFactorial(--nr); 
+} 
+} 
+console.log(calcFactorial(4)); 

Chapter 6_/ex6

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+let start = 10; 
+  
+function loop1(val) { 
+  console.log(val); 
+  if (val < 1) { 
+    return 
+  } 
+  return loop1(val - 1); 
+} 
+loop1(start); 
+function loop2(val) { 
+  console.log(val); 
+  if (val > 0) { 
+    val--; 
+    return loop2(val); 
+  } 
+  return; 
+} 
+loop2(start);