1 files changed, 28 insertions, 0 deletions
diff --git a/challenge-003/zapwai/javascript/ch-2.js b/challenge-003/zapwai/javascript/ch-2.js
new file mode 100644
index 0000000000..099c797138
--- /dev/null
+++ b/challenge-003/zapwai/javascript/ch-2.js
@@ -0,0 +1,28 @@
+let n = prompt("Please enter # of rows: ");
+m = [];
+m.push([1]);
+m.push([1, 1]);
+for (let i = 2; i < n; i++) {
+    row = [];
+    for (let j = 0; j <= i; j++) {
+	if ( (j == 0) || (j == i) ) {
+	    row.push(1);
+	} else {
+	    row.push(m[i-1][j-1] + m[i-1][j]);
+	}
+    }
+    m.push(row);
+}
+console.log(m);
+for (let i = 0; i < n; i++) {
+    let space = "";
+    for (let sp = 0; sp < n - i; sp++) {
+	space += "&nbsp";
+    }
+    document.write(space);
+    for (let j = 0; j <= i; j++) {
+	document.write(`${m[i][j]} `);
+    }
+    document.write("<br>");
+}
+