1 files changed, 25 insertions, 0 deletions
diff --git a/challenge-261/zapwai/javascript/ch-1.js b/challenge-261/zapwai/javascript/ch-1.js
new file mode 100644
index 0000000000..5b2c54cd9f
--- /dev/null
+++ b/challenge-261/zapwai/javascript/ch-1.js
@@ -0,0 +1,25 @@
+function digits_sum(ints) {
+    let sum = 0;
+    for (let i = 0; i < ints.length; i++) {
+	do {
+	    sum += ints[i] % 10;
+	    ints[i] = Math.floor(ints[i] / 10);
+	} while (ints[i] != 0);
+    }
+    return sum;
+}
+
+function sum(ints) {
+    let sum = 0;
+    for (let i = 0; i < ints.length; i++)
+	sum += ints[i];
+    return sum;
+}
+
+function main() {
+    let ints = [1,2,3,45];
+    console.log("Input:", ints);
+    console.log("Output:", Math.abs(sum(ints) - digits_sum(ints)));
+}
+
+main();