diff --git a/serve b/serve
new file mode 100755
index 0000000..8f2b81d
--- /dev/null
+++ b/serve
@@ -0,0 +1,2 @@
+cd ./wasm
+npx serve
\ No newline at end of file
diff --git a/src/built-ins.go b/src/built-ins.go
index df2aa14..cf2eee7 100644
--- a/src/built-ins.go
+++ b/src/built-ins.go
@@ -8,6 +8,7 @@ func makeGlobal(allowDocument bool) ArObject {
 	if allowDocument {
 		vars.obj["document"] = ArDocument
 	}
+	vars.obj["js"] = ArJS
 	vars.obj["term"] = ArTerm
 	vars.obj["number"] = builtinFunc{"number", ArgonNumber}
 	vars.obj["string"] = builtinFunc{"string", ArgonString}
diff --git a/src/wasm.go b/src/wasm.go
index 0d59bdd..0092945 100644
--- a/src/wasm.go
+++ b/src/wasm.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"strings"
 	"syscall/js"
 )
@@ -34,6 +35,7 @@ func argonToJsValid(argon any) any {
 }
 
 func wasmRun(code string, allowDocument bool) (any, ArErr) {
+	JSclearTimers()
 	initRandom()
 	global := makeGlobal(allowDocument)
 	lines := strings.Split(code, "\n")
@@ -71,3 +73,122 @@ func wasmRun(code string, allowDocument bool) (any, ArErr) {
 	})
 	return ThrowOnNonLoop(run(translated, stack{global, localvars, local}))
 }
+
+var IntervalList = []int{}
+var TimeoutList = []int{}
+
+func JSclearTimers() {
+	for _, v := range IntervalList {
+		js.Global().Call("clearInterval", v)
+	}
+	for _, v := range TimeoutList {
+		js.Global().Call("clearTimeout", v)
+	}
+}
+
+var ArJS = Map(anymap{
+	"setTimeout": builtinFunc{"setTimeout", func(args ...any) (any, ArErr) {
+		if len(args) > 2 || len(args) < 1 {
+			return nil, ArErr{"TypeError", "Expected 1 or 2 argument, got " + fmt.Sprint(len(args)), 0, "<wasm>", "", true}
+		}
+		if typeof(args[0]) != "function" {
+			return nil, ArErr{"TypeError", "Expected function, got " + typeof(args[0]), 0, "<wasm>", "", true}
+		}
+		var ms int64 = 0
+		if len(args) == 2 {
+			if typeof(args[1]) != "number" {
+				return nil, ArErr{"TypeError", "Expected number, got " + typeof(args[1]), 0, "<wasm>", "", true}
+			}
+			if !args[1].(number).IsInt() {
+				return nil, ArErr{"TypeError", "Expected integer, got float", 0, "<wasm>", "", true}
+			}
+			ms = args[1].(number).Num().Int64()
+		}
+		f := js.FuncOf(func(this js.Value, a []js.Value) interface{} {
+			runCall(
+				call{
+					callable: args[0],
+					args:     []any{},
+				},
+				stack{},
+				0,
+			)
+			return nil
+		})
+		n := js.Global().Call("setTimeout", f, ms).Int()
+		TimeoutList = append(TimeoutList, n)
+		return newNumber().SetInt64(int64(n)), ArErr{}
+	}},
+	"setInterval": builtinFunc{"setInterval", func(args ...any) (any, ArErr) {
+		if len(args) > 2 || len(args) < 1 {
+			return nil, ArErr{"TypeError", "Expected 1 or 2 argument, got " + fmt.Sprint(len(args)), 0, "<wasm>", "", true}
+		}
+		if typeof(args[0]) != "function" {
+			return nil, ArErr{"TypeError", "Expected function, got " + typeof(args[0]), 0, "<wasm>", "", true}
+		}
+		var ms int64 = 0
+		if len(args) == 2 {
+			if typeof(args[1]) != "number" {
+				return nil, ArErr{"TypeError", "Expected number, got " + typeof(args[1]), 0, "<wasm>", "", true}
+			}
+			if !args[1].(number).IsInt() {
+				return nil, ArErr{"TypeError", "Expected integer, got float", 0, "<wasm>", "", true}
+			}
+			ms = args[1].(number).Num().Int64()
+		}
+		f := js.FuncOf(func(this js.Value, a []js.Value) interface{} {
+			runCall(
+				call{
+					callable: args[0],
+					args:     []any{},
+				},
+				stack{},
+				0,
+			)
+			return nil
+		})
+		n := js.Global().Call("setInterval", f, ms).Int()
+		IntervalList = append(IntervalList, n)
+		return newNumber().SetInt64(int64(n)), ArErr{}
+	}},
+	"clearTimeout": builtinFunc{"clearTimeout", func(args ...any) (any, ArErr) {
+		if len(args) != 1 {
+			return nil, ArErr{"TypeError", "Expected 1 argument, got " + fmt.Sprint(len(args)), 0, "<wasm>", "", true}
+		}
+		if typeof(args[0]) != "number" {
+			return nil, ArErr{"TypeError", "Expected number, got " + typeof(args[0]), 0, "<wasm>", "", true}
+		}
+		if !args[0].(number).IsInt() {
+			return nil, ArErr{"TypeError", "Expected integer, got float", 0, "<wasm>", "", true}
+		}
+		n := args[0].(number).Num().Int64()
+		for i, v := range TimeoutList {
+			if v == int(n) {
+				TimeoutList = append(TimeoutList[:i], TimeoutList[i+1:]...)
+				break
+			}
+		}
+		js.Global().Call("clearTimeout", n)
+		return nil, ArErr{}
+	}},
+	"clearInterval": builtinFunc{"clearInterval", func(args ...any) (any, ArErr) {
+		if len(args) != 1 {
+			return nil, ArErr{"TypeError", "Expected 1 argument, got " + fmt.Sprint(len(args)), 0, "<wasm>", "", true}
+		}
+		if typeof(args[0]) != "number" {
+			return nil, ArErr{"TypeError", "Expected number, got " + typeof(args[0]), 0, "<wasm>", "", true}
+		}
+		if !args[0].(number).IsInt() {
+			return nil, ArErr{"TypeError", "Expected integer, got float", 0, "<wasm>", "", true}
+		}
+		n := args[0].(number).Num().Int64()
+		for i, v := range IntervalList {
+			if v == int(n) {
+				IntervalList = append(IntervalList[:i], IntervalList[i+1:]...)
+				break
+			}
+		}
+		js.Global().Call("clearInterval", n)
+		return nil, ArErr{}
+	}},
+})
diff --git a/wasm/argon_wasm.js b/wasm/argon_wasm.js
index 187509b..bc4935e 100644
--- a/wasm/argon_wasm.js
+++ b/wasm/argon_wasm.js
@@ -342,7 +342,7 @@ window.ArgonWASMRuntime = async (config = {}) => {
                     // func resetMemoryDataView()
                     "runtime.resetMemoryDataView": (sp) => {
                         sp >>>= 0;
-                        this.mem = memory;
+                        this.mem = new DataView(this._inst.exports.mem.buffer);
                     },
                     // func nanotime1() int64
                     "runtime.nanotime1": (sp) => {
diff --git a/wasm/index.html b/wasm/index.html
index 06beca2..c14ce07 100644
--- a/wasm/index.html
+++ b/wasm/index.html
@@ -67,7 +67,7 @@
     <body>
         <h1>Argon WASM Runtime Example</h1>
         <button id="run" class="runButton">run</button>
-        <textarea id="editbox" class="editbox" spellcheck="flase" autocapitalize="false">
+        <textarea id="editbox" class="editbox" spellcheck="false" autocapitalize="false">
 term.log("hello world")</textarea
         >
         <pre