diff --git "a/\351\237\246\347\273\215\344\270\245/\346\226\207\344\273\266\347\263\273\347\273\2372/p.js" "b/\351\237\246\347\273\215\344\270\245/\346\226\207\344\273\266\347\263\273\347\273\2372/p.js"
new file mode 100644
index 0000000000000000000000000000000000000000..fb263f0db536fa84da90c87964c53892fb62566f
--- /dev/null
+++ "b/\351\237\246\347\273\215\344\270\245/\346\226\207\344\273\266\347\263\273\347\273\2372/p.js"
@@ -0,0 +1,32 @@
+let fs = require("fs");
+
+//同步
+var start = new Date();
+var startTime = start.getTime();
+for (let i = 0; i < 100; i++) {
+    let filename = "./file/" + i + ".txt";
+    fs.writeFileSync(filename, "1");
+}
+var end = new Date();
+var endTime = end.getTime();
+console.log("同步耗时：" + (endTime - startTime) + "毫秒")
+
+//异步
+var start2 = new Date();
+var startTime2 = start2.getTime();
+var num = 0;
+for (let j = 0; j < 100; j++) {
+    let filename = "./file/" + j + ".txt";
+    fs.writeFile(filename, "1", (error) => {
+        num++;
+        if (num == 100) {
+            var end2 = new Date();
+            var endTime2 = end2.getTime();
+            console.log("异步耗时：" + (endTime2 - startTime2) + "毫秒")
+        }
+    });
+
+}
+
+
+