javascript submission 1 : printing shapes

assets/js/shapes.js

@@ -1,31 +1,152 @@
 function getLine(length) {
     // TODO - write method definition here
+    var output = "";
+    while(length !=0)
+    {
+        output += "*";
+        length--;
+    }
+    return output;
 }
 
 
 
 function getBox(width, height) {
     // TODO - write method definition here
+    var output = "";
+    var w = width;
+    while(height > 0)
+    {
+        while(w > 0)
+        {
+            output += "*";
+            w--;
+        }
+        output += "\n";
+        height--;
+        w = width;
+    }
+    return output;
+
 }
 
 
 
 function getBottomLeftTriangle(length) {
     // TODO - write method definition here
+    var output = "";
+    var count = 1;
+    while(length > 0)
+    {
+        for (var cnt = count; cnt > 0; cnt--)
+        {
+            output += "*";
+        }
+        if (length != 1)
+            output += "\n";
+        count++;
+        length--;
+
+    }
+    return output;
 }
 
 
 function getUpperLeftTriangle(length) {
     // TODO - write method definition here
+    var output = "";
+    var count = length;
+    while(length > 0)
+    {
+        for (var cnt = count; cnt > 0; cnt--)
+        {
+            output += "*";
+        }
+        if (length != 1)
+            output += "\n";
+        count--;
+        length--;
+
+    }
+    return output;
 }
 
 
 
+
 function getPyramid(length) {
     // TODO - write method definition here
+    var output = "";
+    var printSpace = length - 1;
+    var printAsterics = length - printSpace;
+    while (length > 0) 
+    {
+       /* for(var count = 0; count < length; count++)
+        {*/
+            for (var printS = printSpace; printS > 0; printS--) 
+            {
+                output += " ";
+            }
+            for (var printA = printAsterics; printA > 0; printA--)
+            {
+                output += "*";
+            }
+            for (var printS = printSpace; printS > 0; printS--) 
+            {
+                output += " ";
+            }
+      /*  }*/
+      if (length != 1)
+        output += "\n";
+        length--;
+        printSpace--;
+        printAsterics += 2;
+
+    }
+
+    return output;
 }
 
 
+
 function getCheckerboard(width, height) {
     // TODO - write method definition here
-}
+    var output = "";
+    /* print width no. of stars in two lines. print a total of height no. of lines. */
+   var line1 = parseInt(width/2);
+   var line2 = line1;
+   if (width%2 !=0) /*odd number*/
+    line2++;
+    var outputL1 = " ";
+    var outputL2 = "";
+
+    for (var l1 = line1; l1 > 0; --l1){
+        if( l1 !=1)
+         outputL1 += "* ";
+         else
+         outputL1 += "*";
+    }
+    for (var l2 = line2; l2 > 0; l2--){
+        if (l2 !=1)
+            outputL2 += "* ";
+        else
+            outputL2 += "*";
+    }
+    while(height > 0)
+    {
+        output += outputL1;
+        if (height != 1)
+            output += "\n";
+        else
+            break;
+        height--;
+        output += outputL2;
+        if (height != 1)
+            output += "\n";
+        else
+            break;
+        height--;
+    }
+     //return "Line1: "+ line1 + " " + "Line2: "+ line2 + " " + "outputL1: "+ outputL1 + " " + "outputL2: "+ outputL2 + "output: " + output ;
+     return output;
+}

index.html

@@ -38,6 +38,7 @@
 
   <!-- ====================================================== -->
   <!-- ====================================================== -->
+
   <footer>
     <!-- footer of page begins here -->
     <script type="text/javascript" src="./assets/js/footer-functions.js"></script>