5 files changed, 8 insertions, 6 deletions
diff --git a/js/console_test.ts b/js/console_test.ts
index cbfbdb52a..a87010220 100644
--- a/js/console_test.ts
+++ b/js/console_test.ts
@@ -67,7 +67,7 @@ test(function consoleTestStringifyCircular() {
   };
 
   nestedObj.o = circularObj;
-
+  // tslint:disable-next-line:max-line-length  
   const nestedObjExpected = `{ num: 1, bool: true, str: "a", method: [Function: method], asyncMethod: [AsyncFunction: asyncMethod], generatorMethod: [GeneratorFunction: generatorMethod], un: undefined, nu: null, arrowFunc: [Function: arrowFunc], extendedClass: Extended { a: 1, b: 2 }, nFunc: [Function], extendedCstr: [Function: Extended], o: { num: 2, bool: false, str: "b", method: [Function: method], un: undefined, nu: null, nested: [Circular], emptyObj: [object], arr: [object], baseClass: [object] } }`;
 
   assertEqual(stringify(1), "1");
@@ -88,11 +88,13 @@ test(function consoleTestStringifyCircular() {
   assertEqual(stringify(JSON), "{}");
   assertEqual(
     stringify(console),
+    // tslint:disable-next-line:max-line-length
     "Console { printFunc: [Function], log: [Function], debug: [Function], info: [Function], dir: [Function], warn: [Function], error: [Function], assert: [Function] }"
   );
 });
 
 test(function consoleTestStringifyWithDepth() {
+  // tslint:disable-next-line:no-any  
   const nestedObj: any = { a: { b: { c: { d: { e: { f: 42 } } } } } };
   assertEqual(
     stringifyArgs([nestedObj], { depth: 3 }),
diff --git a/js/make_temp_dir_test.ts b/js/make_temp_dir_test.ts
index 082c1e65d..551d58c26 100644
--- a/js/make_temp_dir_test.ts
+++ b/js/make_temp_dir_test.ts
@@ -6,7 +6,7 @@ testPerm({ write: true }, function makeTempDirSyncSuccess() {
   const dir1 = deno.makeTempDirSync({ prefix: "hello", suffix: "world" });
   const dir2 = deno.makeTempDirSync({ prefix: "hello", suffix: "world" });
   // Check that both dirs are different.
-  assert(dir1 != dir2);
+  assert(dir1 !== dir2);
   for (const dir of [dir1, dir2]) {
     // Check that the prefix and suffix are applied.
     const lastPart = dir.replace(/^.*[\\\/]/, "");
@@ -44,7 +44,7 @@ testPerm({ write: true }, async function makeTempDirSuccess() {
   const dir1 = await deno.makeTempDir({ prefix: "hello", suffix: "world" });
   const dir2 = await deno.makeTempDir({ prefix: "hello", suffix: "world" });
   // Check that both dirs are different.
-  assert(dir1 != dir2);
+  assert(dir1 !== dir2);
   for (const dir of [dir1, dir2]) {
     // Check that the prefix and suffix are applied.
     const lastPart = dir.replace(/^.*[\\\/]/, "");
diff --git a/js/net_test.ts b/js/net_test.ts
index 0b6db7afa..93ad6ee00 100644
--- a/js/net_test.ts
+++ b/js/net_test.ts
@@ -9,7 +9,7 @@ testPerm({ net: true }, function netListenClose() {
 });
 
 testPerm({ net: true }, async function netDialListen() {
-  let addr = "127.0.0.1:4500";
+  const addr = "127.0.0.1:4500";
   const listener = deno.listen("tcp", addr);
   listener.accept().then(async conn => {
     await conn.write(new Uint8Array([1, 2, 3]));
diff --git a/js/read_dir_test.ts b/js/read_dir_test.ts
index 43430ed00..cc63eb038 100644
--- a/js/read_dir_test.ts
+++ b/js/read_dir_test.ts
@@ -7,7 +7,7 @@ function assertSameContent(files: FileInfo[]) {
   let counter = 0;
 
   for (const file of files) {
-    if (file.name == "subdir") {
+    if (file.name === "subdir") {
       assert(file.isDirectory());
       counter++;
     }
diff --git a/js/timers_test.ts b/js/timers_test.ts
index 8d9eb0e1a..56cc56a9b 100644
--- a/js/timers_test.ts
+++ b/js/timers_test.ts
@@ -32,7 +32,7 @@ test(async function timeoutSuccess() {
 });
 
 test(async function timeoutArgs() {
-  let arg = 1;
+  const arg = 1;
   await new Promise((resolve, reject) => {
     setTimeout(
       (a, b, c) => {