historical data added

1 files changed, 18 insertions, 0 deletions

diff --git a/numberlogger.js b/numberlogger.js
new file mode 100644
index 0000000..764027e
--- /dev/null
+++ b/numberlogger.js
@@ -0,0 +1,18 @@
+var numberLogger = function(name,length){
+    this.name=name;
+    this.ns = new Array(length);
+    this.len = length;
+    for (i=0;i<length;++i)
+        this.ns[i] = 0;
+}
+
+numberLogger.prototype.add = function(x) {
+    this.ns.splice(0,1);
+    this.ns.push(x);
+}
+
+numberLogger.prototype.stringify = function() {
+    return {"name":this.name,"dat":this.ns,"len":this.length};
+}
+
+module.exports = numberLogger;