added Bit Manipulation

OREO1210 · OREO1210 · commit 4b26fbdaf6e4 · 2021-10-22T03:42:02.000+05:30
diff --git a/Maths/bit_manipulation.js b/Maths/bit_manipulation.js
@@ -0,0 +1,39 @@
+//Bit Manipulation in javascript
+
+// Function to get the bit at the ith position
+function getBit(num, i)
+{
+    // Return true if the ith bit is set. Otherwise return false
+    return ((num & (1 << i)) != 0);
+}
+ 
+// Function to set the ith bit of the given number num
+function setBit(num, i)
+{
+    // Sets the ith bit and return the updated value
+    return num | (1 << i);
+}
+ 
+// Function to clear the ith bit of the given number N
+function clearBit(num, i)
+{
+ 
+    // Create the mask for the ith bit unset.
+    let mask = ~(1 << i);
+    return num & mask;
+}
+ 
+// Driver code for given number N
+let N = 90;
+ 
+document.write("The bit at the 3rd position is: " +
+              (getBit(N, 3) ? '1' : '0') + "</br>");
+ 
+document.write("The value of the given number " +
+               " after setting the bit at " +
+               " MSB is: " + setBit(N, 0) + "</br>");
+ 
+document.write("The value of the given number " +
+               " after clearing the bit at " +
+               " MSB is: " + clearBit(N, 0) + "</br>");
+                
