diff --git a/qjs.c b/qjs.c
index a4851bd..e31f94b 100644
--- a/qjs.c
+++ b/qjs.c
@@ -153,6 +153,34 @@ static int eval_file(JSContext *ctx, const char *filename, int module)
         eval_flags = JS_EVAL_TYPE_MODULE;
     else
         eval_flags = JS_EVAL_TYPE_GLOBAL;
+
+
+        //POLYFILLS FOR QJS FILES BEGIN 
+    const char *pf = "globalThis.global = globalThis;\n"
+        "global.console.error = console.log\n"
+        "global.console.warn = console.log\n"
+        "globalThis.breakFunction = () => { throw new Error('Function Break'); };\n"
+        "\n"
+        "if (typeof os !== 'undefined') {\n"
+        "    globalThis.sleep = os.sleep;\n"
+        "    async function setTimeout2(func, ms) {globalThis.clearTimeout = false; await sleep(ms); if (!clearTimeout) { func(); } }\n"
+        "    globalThis.setTimeout = setTimeout2\n"
+        "} else {\n"
+        "    console.error('os is not defined.');\n"
+        "}\n"
+        "\n"
+        "if (typeof std !== 'undefined') {\n"
+        "    globalThis.urlGet = std.urlGet;\n"
+        "    globalThis.loadFile = std.loadFile;\n"
+        "    globalThis.printf = console.log;\n"
+        "    globalThis.evalFile = std.loadScript;\n"
+        //"    globalThis.require = std.loadScript;\n"
+        "    globalThis.getURL = std.urlGet;\n"
+        "} else {\n"
+        "    console.error('std is not defined.');\n"
+        "}\n";
+
+    eval_buf(ctx, pf, strlen(pf), "<input>", JS_EVAL_TYPE_MODULE);
     ret = eval_buf(ctx, buf, buf_len, filename, eval_flags);
     js_free(ctx, buf);
     return ret;
@@ -372,7 +400,7 @@ static const JSMallocFunctions mi_mf = {
 
 void help(void)
 {
-    printf("QuickJS-ng version %s\n"
+    printf("QuickJS-ng DoneJS Edition version %s\n"
            "usage: " PROG_NAME " [options] [file [args]]\n"
            "-h  --help         list options\n"
            "-e  --eval EXPR    evaluate EXPR\n"
@@ -689,6 +717,33 @@ start:
         if (interactive) {
             js_std_eval_binary(ctx, qjsc_repl, qjsc_repl_size, 0);
         }
+        //POLYFILLS FOR QJS REPL BEGIN 
+        const char *pf = "globalThis.global = globalThis;\n"
+                 "global.console.error = console.log\n"
+                 "global.console.warn = console.log\n"
+                 "globalThis.breakFunction = () => { throw new Error('Function Break'); };\n"
+                 "\n"
+                 "if (typeof os !== 'undefined') {\n"
+                 "    globalThis.sleep = os.sleep;\n"
+                 "    async function setTimeout2(func, ms) {globalThis.clearTimeout = false; await sleep(ms); if (!clearTimeout) { func(); } }\n"
+                 "    globalThis.setTimeout = setTimeout2\n"
+                 "} else {\n"
+                 "    console.error('os is not defined.');\n"
+                 "}\n"
+                 "\n"
+                 "if (typeof std !== 'undefined') {\n"
+                 "    globalThis.urlGet = std.urlGet;\n"
+                 "    globalThis.loadFile = std.loadFile;\n"
+                 "    globalThis.printf = console.log;\n"
+                 "    globalThis.evalFile = std.loadScript;\n"
+                 // "    globalThis.require = std.loadScript;\n"
+                 "    globalThis.getURL = std.urlGet;\n"
+                 "} else {\n"
+                 "    console.error('std is not defined.');\n"
+                 "}\n";
+
+
+        eval_buf(ctx, pf, strlen(pf), "<input>", JS_EVAL_TYPE_MODULE);
         if (standalone || compile_file) {
             if (JS_IsException(ret)) {
                 ret = JS_GetException(ctx);