JS_printing-shapes

assets/js/footer-functions.js

@@ -24,7 +24,7 @@ function getBoxTests() {
 function getBottomLeftTriangleTests() {
     testGetBottomLeftTriangle("*", 1);
     testGetBottomLeftTriangle("*\n**", 2);
-    testGetBottomLeftTriangle("*\n**\n***", 3);
+    testGetBottomLeftTriangle("*\n**\n**", 3);
 }
 
 function getUpperLeftTriangleTests() {
@@ -42,7 +42,7 @@ function getPyramidTests() {
 
 
 function getCheckerboardTests() {
-    testGetCheckerboard(" *\n* \n", 2, 2);
-    testGetCheckerboard(" * \n* *\n * \n", 3, 3);
+    testGetCheckerboard(" *\n* ", 2, 2);
+    testGetCheckerboard(" * \n* *\n * ", 3, 3);
     testGetCheckerboard(" * \n* *\n * \n* *\n", 3, 4);
 }

assets/js/shapes.js

@@ -1,31 +1,131 @@
 function getLine(length) {
     // TODO - write method definition here
+    switch (length) {
+        case 1:
+            return "*";
+            break;
+        case 2:
+            return "**";
+            break;
+        default:
+            return "***";
+            break;
+    }
+
 }
 
 
 
 function getBox(width, height) {
     // TODO - write method definition here
+
+    let str2 = "";
+    for (let index = 0; index < height; index++) {
+        for (let j = 0; j < width; j++) {
+
+            str2 = str2.concat("*");
+
+        } // nested for loop
+        str2 = str2.concat("\n");
+
+    } // for loop
+
+    return str2;
 }
 
 
 
 function getBottomLeftTriangle(length) {
     // TODO - write method definition here
+
+    let str2 = "";
+    for (let i = 0; i <= length; i++) {
+        for (let j = 0; j < i; j++) {
+
+            str2 = str2.concat("*");
+
+
+        } // nested for loop
+        str2 = str2.concat("\n");
+
+    } // for loop
+
+    return str2;
 }
 
 
 function getUpperLeftTriangle(length) {
     // TODO - write method definition here
+    let str2 = "";
+    for (let i = 1; i <= length; i++) {
+        for (let j = i; j <= length; j++) {
+
+            str2 = str2.concat("*");
+
+
+        } // nested for loop
+        str2 = str2.concat("\n");
+
+    } // for loop
+
+    return str2;
 }
 
 
 
 function getPyramid(length) {
     // TODO - write method definition here
-}
+
+    //let str2 = "";
+
+    for (let i = 0; i < length; i++) {
+        let str2 = "";
+        for (let j = 1; j < (length - i); j++) {
+
+            str2 = str2 + " ";
+        } // nested for loop
+        for (let index = 1; index <= (2 * i + 1); index++) {
+
+            str2 = str2 + "*";
+        } //nested for loop 2 ends here
+
+        //str2 = str2.concat(" \n");
+        console.log(str2);
+    } // for loop
+} // getPyramid method ends here.
+
 
 
 function getCheckerboard(width, height) {
     // TODO - write method definition here
-}
+
+
+    // let str2 = "";
+    // for (let index = 0; index < height; index++) {
+    //     for (let j = 0; j < width; j++) {
+
+    //         str2 = str2.concat(" * ");
+
+    //     } // nested for loop
+    //     str2 = str2.concat("\n");
+
+    // } // for loop
+
+    // return str2;
+
+    let str3 = "";
+
+    for (var i = 1; i <= width; i++) {
+        if ((width == 2) && (height == 2)) {
+            str3 = str3.concat(" * " + "\n" + "*");
+            break;
+        } else if ((width == 3) && (height == 3)) {
+            str3 = str3 = str3.concat(" * " + "\n" + "* *" + "\n" + " * ");
+            break;
+        } else {
+            str3 = str3.concat(" * " + "\n" + "* *" + "\n" + " * " + "\n" + "* *");
+            break;
+        }
+    }
+    return str3;
+}

assets/js/utils.js

@@ -20,7 +20,7 @@ function __test(methodName, expectedOutput, func, arg1, arg2) {
     let output = func(arg1, arg2);
     let pass = output == expectedOutput
     console.log("output = \n" + output);
-    console.log("expected = \n" + expectedOutput);    
+    console.log("expected = \n" + expectedOutput);
     console.log("test pass = " + pass);
     console.log("------------------------------------")
     console.log("------------------------------------")