new files

rectarea.js

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+let l = 5;
+let b = 6;
+
+const area = l * b;
+console.log("The area of rectangle is", area);

reverse.js

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+let a = "Happy new year!";
+
+// method 1
+let rev = "";
+
+for (i in a) {
+  // console.log(a[i]);
+  rev = a[i] + rev;
+}
+
+console.log(rev);
+
+// method 2
+for (let j = a.length; j >= 0; j--) {
+  console.log(a[j]);
+}
+
+// method 3
+console.log(a.split("").reverse().join(""));

si.js

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+let p = 6000;
+let r = 2;
+let t = 1;
+
+const si = (p * r * t) / 100;
+console.log("Your SI is " + si);

simplecalc.js

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+n1 = 6;
+n2 = 2;
+
+// addition
+console.log(`${n1} + ${n2} = ${n1 + n2}`);
+
+// subtraction
+console.log(`${n1} - ${n2} = ${n1 - n2}`);
+
+// multiplication
+console.log(`${n1} * ${n2} = ${n1 * n2}`);
+
+// division
+console.log(`${n1} / ${n2} = ${n1 / n2}`);

tempcon.js

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+let temp = 23;
+
+// celsius to fahrenheit
+cf = (temp * 9) / 5 + 32;
+// fahrenheit to celsius
+fc = ((temp - 32) * 5) / 9;
+
+console.log(`${temp}°C is equal to ${cf}°F`);
+console.log(`${temp}°F is equal to ${fc}°C`);