diff --git a/lib/propmangle.js b/lib/propmangle.js
index 36a67e80..c0abf6e8 100644
--- a/lib/propmangle.js
+++ b/lib/propmangle.js
@@ -62,6 +62,7 @@ function find_builtins(reserved) {
             Object.getOwnPropertyNames(ctor.prototype).map(add);
         }
     });
+    domprops.forEach(add);
     function add(name) {
         push_uniq(reserved, name);
     }
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..d315c048
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,304 @@
+{
+  "name": "uglify-js",
+  "version": "3.2.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "acorn": {
+      "version": "5.2.1",
+      "resolved": "http://registry.npm.taobao.org/acorn/download/acorn-5.2.1.tgz",
+      "integrity": "sha1-MXrHghgmwixwLWYYmrg1lnXxNdc=",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "http://registry.npm.taobao.org/balanced-match/download/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "brace-expansion": {
+      "version": "1.1.8",
+      "resolved": "http://registry.npm.taobao.org/brace-expansion/download/brace-expansion-1.1.8.tgz",
+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "browser-stdout": {
+      "version": "1.3.0",
+      "resolved": "http://registry.npm.taobao.org/browser-stdout/download/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
+    "commander": {
+      "version": "2.12.1",
+      "resolved": "http://registry.npm.taobao.org/commander/download/commander-2.12.1.tgz",
+      "integrity": "sha1-RoY1xBaNBhRbkyM1bR2oTRSsSno="
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "http://registry.npm.taobao.org/concat-map/download/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "debug": {
+      "version": "2.6.8",
+      "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.8.tgz",
+      "integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw=",
+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
+    "diff": {
+      "version": "3.2.0",
+      "resolved": "http://registry.npm.taobao.org/diff/download/diff-3.2.0.tgz",
+      "integrity": "sha1-yc45Okt8vQsFinJck98pkCeGj/k=",
+      "dev": true
+    },
+    "escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "http://registry.npm.taobao.org/escape-string-regexp/download/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "http://registry.npm.taobao.org/fs.realpath/download/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.1",
+      "resolved": "http://registry.npm.taobao.org/glob/download/glob-7.1.1.tgz",
+      "integrity": "sha1-gFIR3wT6rxxjo2ADBs31reULLsg=",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "1.0.0",
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
+    "graceful-readlink": {
+      "version": "1.0.1",
+      "resolved": "http://registry.npm.taobao.org/graceful-readlink/download/graceful-readlink-1.0.1.tgz",
+      "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=",
+      "dev": true
+    },
+    "growl": {
+      "version": "1.9.2",
+      "resolved": "http://registry.npm.taobao.org/growl/download/growl-1.9.2.tgz",
+      "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
+      "dev": true
+    },
+    "has-flag": {
+      "version": "1.0.0",
+      "resolved": "http://registry.npm.taobao.org/has-flag/download/has-flag-1.0.0.tgz",
+      "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
+      "dev": true
+    },
+    "he": {
+      "version": "1.1.1",
+      "resolved": "http://registry.npm.taobao.org/he/download/he-1.1.1.tgz",
+      "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0=",
+      "dev": true
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "http://registry.npm.taobao.org/inflight/download/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
+    "inherits": {
+      "version": "2.0.3",
+      "resolved": "http://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
+    "json3": {
+      "version": "3.3.2",
+      "resolved": "http://registry.npm.taobao.org/json3/download/json3-3.3.2.tgz",
+      "integrity": "sha1-PAQ0dD35Pi9cQq7nsZvLSDV19OE=",
+      "dev": true
+    },
+    "lodash._baseassign": {
+      "version": "3.2.0",
+      "resolved": "http://registry.npm.taobao.org/lodash._baseassign/download/lodash._baseassign-3.2.0.tgz",
+      "integrity": "sha1-jDigmVAPIVrQnlnxci/QxSv+Ck4=",
+      "dev": true,
+      "requires": {
+        "lodash._basecopy": "3.0.1",
+        "lodash.keys": "3.1.2"
+      }
+    },
+    "lodash._basecopy": {
+      "version": "3.0.1",
+      "resolved": "http://registry.npm.taobao.org/lodash._basecopy/download/lodash._basecopy-3.0.1.tgz",
+      "integrity": "sha1-jaDmqHbPNEwK2KVIghEd08XHyjY=",
+      "dev": true
+    },
+    "lodash._basecreate": {
+      "version": "3.0.3",
+      "resolved": "http://registry.npm.taobao.org/lodash._basecreate/download/lodash._basecreate-3.0.3.tgz",
+      "integrity": "sha1-G8ZhYU2qf8MRt9A78WgGoCE8+CE=",
+      "dev": true
+    },
+    "lodash._getnative": {
+      "version": "3.9.1",
+      "resolved": "http://registry.npm.taobao.org/lodash._getnative/download/lodash._getnative-3.9.1.tgz",
+      "integrity": "sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=",
+      "dev": true
+    },
+    "lodash._isiterateecall": {
+      "version": "3.0.9",
+      "resolved": "http://registry.npm.taobao.org/lodash._isiterateecall/download/lodash._isiterateecall-3.0.9.tgz",
+      "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
+      "dev": true
+    },
+    "lodash.create": {
+      "version": "3.1.1",
+      "resolved": "http://registry.npm.taobao.org/lodash.create/download/lodash.create-3.1.1.tgz",
+      "integrity": "sha1-1/KEnw29p+BGgruM1yqwIkYd6+c=",
+      "dev": true,
+      "requires": {
+        "lodash._baseassign": "3.2.0",
+        "lodash._basecreate": "3.0.3",
+        "lodash._isiterateecall": "3.0.9"
+      }
+    },
+    "lodash.isarguments": {
+      "version": "3.1.0",
+      "resolved": "http://registry.npm.taobao.org/lodash.isarguments/download/lodash.isarguments-3.1.0.tgz",
+      "integrity": "sha1-L1c9hcaiQon/AGY7SRwdM4/zRYo=",
+      "dev": true
+    },
+    "lodash.isarray": {
+      "version": "3.0.4",
+      "resolved": "http://registry.npm.taobao.org/lodash.isarray/download/lodash.isarray-3.0.4.tgz",
+      "integrity": "sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=",
+      "dev": true
+    },
+    "lodash.keys": {
+      "version": "3.1.2",
+      "resolved": "http://registry.npm.taobao.org/lodash.keys/download/lodash.keys-3.1.2.tgz",
+      "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=",
+      "dev": true,
+      "requires": {
+        "lodash._getnative": "3.9.1",
+        "lodash.isarguments": "3.1.0",
+        "lodash.isarray": "3.0.4"
+      }
+    },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "http://registry.npm.taobao.org/minimatch/download/minimatch-3.0.4.tgz",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "1.1.8"
+      }
+    },
+    "minimist": {
+      "version": "0.0.8",
+      "resolved": "http://registry.npm.taobao.org/minimist/download/minimist-0.0.8.tgz",
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
+    },
+    "mkdirp": {
+      "version": "0.5.1",
+      "resolved": "http://registry.npm.taobao.org/mkdirp/download/mkdirp-0.5.1.tgz",
+      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.8"
+      }
+    },
+    "mocha": {
+      "version": "3.5.3",
+      "resolved": "http://registry.npm.taobao.org/mocha/download/mocha-3.5.3.tgz",
+      "integrity": "sha1-HgSA/jbS2lhY0etqzDhBiybqog0=",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "1.3.0",
+        "commander": "2.9.0",
+        "debug": "2.6.8",
+        "diff": "3.2.0",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.1",
+        "growl": "1.9.2",
+        "he": "1.1.1",
+        "json3": "3.3.2",
+        "lodash.create": "3.1.1",
+        "mkdirp": "0.5.1",
+        "supports-color": "3.1.2"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.9.0",
+          "resolved": "http://registry.npm.taobao.org/commander/download/commander-2.9.0.tgz",
+          "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
+          "dev": true,
+          "requires": {
+            "graceful-readlink": "1.0.1"
+          }
+        }
+      }
+    },
+    "ms": {
+      "version": "2.0.0",
+      "resolved": "http://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "http://registry.npm.taobao.org/once/download/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "http://registry.npm.taobao.org/path-is-absolute/download/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "semver": {
+      "version": "5.4.1",
+      "resolved": "http://registry.npm.taobao.org/semver/download/semver-5.4.1.tgz",
+      "integrity": "sha1-4FnAnYVx8FQII3M0M1BdOi8AsY4=",
+      "dev": true
+    },
+    "source-map": {
+      "version": "0.6.1",
+      "resolved": "http://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz",
+      "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM="
+    },
+    "supports-color": {
+      "version": "3.1.2",
+      "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-3.1.2.tgz",
+      "integrity": "sha1-cqJiiU2dQIuVbKBf83su2KbiotU=",
+      "dev": true,
+      "requires": {
+        "has-flag": "1.0.0"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "http://registry.npm.taobao.org/wrappy/download/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index cbde945a..9db3e9b3 100644
--- a/package.json
+++ b/package.json
@@ -40,5 +40,11 @@
   "scripts": {
     "test": "node test/run-tests.js"
   },
-  "keywords": ["uglify", "uglify-js", "minify", "minifier", "es5"]
+  "keywords": [
+    "uglify",
+    "uglify-js",
+    "minify",
+    "minifier",
+    "es5"
+  ]
 }
diff --git a/test/node.js b/test/node.js
index 22bf325d..2ab2a290 100644
--- a/test/node.js
+++ b/test/node.js
@@ -1,6 +1,10 @@
 var fs = require("fs");
 
-new Function("MOZ_SourceMap", "exports", require("../tools/node").FILES.map(function(file) {
-    if (/exports\.js$/.test(file)) file = require.resolve("./exports");
-    return fs.readFileSync(file, "utf8");
-}).join("\n\n"))(require("source-map"), exports);
+new Function("MOZ_SourceMap", "exports", function() {
+    var code = require("../tools/node").FILES.map(function(file) {
+        if (/exports\.js$/.test(file)) file = require.resolve("./exports");
+        return fs.readFileSync(file, "utf8");
+    });
+    code.push(";var domprops = " + JSON.stringify(require("../tools/domprops.json")));
+    return code.join("\n\n");
+}())(require("source-map"), exports);
\ No newline at end of file
diff --git a/tools/node.js b/tools/node.js
index dc270106..ce5abeb4 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -23,6 +23,7 @@ new Function("MOZ_SourceMap", "exports", function() {
         return fs.readFileSync(file, "utf8");
     });
     code.push("exports.describe_ast = " + describe_ast.toString());
+    code.push(";var domprops = " + JSON.stringify(require("./domprops.json")));
     return code.join("\n\n");
 }())(
     require("source-map"),