--- title: "mg_enable_javascript()" decl_name: "mg_enable_javascript" symbol_kind: "func" signature: | enum v7_err mg_enable_javascript(struct mg_mgr *m, struct v7 *v7, const char *init_js_file_name); --- Enable server-side JavaScript scripting. Requires `-DMG_ENABLE_JAVASCRIPT` compilation flag, and V7 engine sources. v7 instance must not be destroyed during manager's lifetime. Return V7 error.