diff --git a/input_test.go b/input_test.go
new file mode 100644
index 0000000..773080a
--- /dev/null
+++ b/input_test.go
@@ -0,0 +1,262 @@
+package chromedp
+
+import (
+	"fmt"
+	"strconv"
+	"testing"
+	"time"
+
+	"github.com/knq/chromedp/cdp"
+	"github.com/knq/chromedp/cdp/input"
+)
+
+func TestMouseClickXY(t *testing.T) {
+	t.Parallel()
+
+	c := testAllocate(t, "input.html")
+	defer c.Release()
+
+	var err error
+	err = c.Run(defaultContext, Sleep(time.Millisecond*50))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	tests := []struct {
+		x, y int64
+	}{
+		{100, 100},
+		{0, 0},
+		{9999, 100},
+		{100, 9999},
+	}
+
+	for i, test := range tests {
+		err = c.Run(defaultContext, MouseClickXY(test.x, test.y))
+		if err != nil {
+			t.Fatalf("test %d got error: %v", i, err)
+		}
+
+		var value string
+		err = c.Run(defaultContext, Value("#input1", &value, ByID))
+		if err != nil {
+			t.Fatalf("test %d got error: %v", i, err)
+		}
+		x, err := strconv.ParseInt(value, 10, 64)
+		if err != nil {
+			t.Fatalf("test %d got error: %v", i, err)
+		}
+		if x != test.x {
+			t.Fatalf("test %d expected x to be: %d, got: %d", i, test.x, x)
+		}
+
+		err = c.Run(defaultContext, Value("#input2", &value, ByID))
+		if err != nil {
+			t.Fatalf("test %d got error: %v", i, err)
+		}
+		y, err := strconv.ParseInt(value, 10, 64)
+		if err != nil {
+			t.Fatalf("test %d got error: %v", i, err)
+		}
+		if y != test.y {
+			t.Fatalf("test %d expected y to be: %d, got: %d", i, test.y, y)
+		}
+	}
+}
+
+func TestMouseClickNode(t *testing.T) {
+	tests := []struct {
+		exp string
+		opt MouseOption
+		by  QueryOption
+	}{
+		{"foo", ButtonType(input.ButtonNone), ByID},
+		{"bar", ButtonType(input.ButtonLeft), ByID},
+		{"bar-middle", ButtonType(input.ButtonMiddle), ByID},
+		{"bar-right", ButtonType(input.ButtonRight), ByID},
+		{"bar2", ClickCount(2), ByID},
+	}
+
+	var err error
+	for i, test := range tests {
+		t.Run(fmt.Sprintf("test %d", i), func(t *testing.T) {
+			t.Parallel()
+
+			c := testAllocate(t, "input.html")
+			defer c.Release()
+
+			var nodes []*cdp.Node
+			err = c.Run(defaultContext, Nodes("#button2", &nodes, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if len(nodes) != 1 {
+				t.Fatalf("expected nodes to have exactly 1 element, got: %d", len(nodes))
+			}
+
+			err = c.Run(defaultContext, MouseClickNode(nodes[0], test.opt))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
+			time.Sleep(time.Millisecond * 50)
+
+			var value string
+			err = c.Run(defaultContext, Value("#input3", &value, ByID))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if value != test.exp {
+				t.Fatalf("expected to have value %s, got: %s", test.exp, value)
+			}
+		})
+	}
+}
+
+func TestMouseClickOffscreenNode(t *testing.T) {
+	tests := []struct {
+		sel string
+		exp int
+		by  QueryOption
+	}{
+		{"#button3", 0, ByID},
+		{"#button3", 2, ByID},
+		{"#button3", 10, ByID},
+	}
+
+	var err error
+	for i, test := range tests {
+		t.Run(fmt.Sprintf("test %d", i), func(t *testing.T) {
+			t.Parallel()
+
+			c := testAllocate(t, "input.html")
+			defer c.Release()
+
+			var nodes []*cdp.Node
+			err = c.Run(defaultContext, Nodes(test.sel, &nodes, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if len(nodes) != 1 {
+				t.Fatalf("expected nodes to have exactly 1 element, got: %d", len(nodes))
+			}
+
+			for i := test.exp; i > 0; i-- {
+				err = c.Run(defaultContext, MouseClickNode(nodes[0]))
+				if err != nil {
+					t.Fatalf("got error: %v", err)
+				}
+			}
+
+			time.Sleep(time.Millisecond * 50)
+
+			var value int
+			err = c.Run(defaultContext, Evaluate("window.document.test_i", &value))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if value != test.exp {
+				t.Fatalf("expected to have value %d, got: %d", test.exp, value)
+			}
+		})
+	}
+}
+
+func TestKeyAction(t *testing.T) {
+	tests := []struct {
+		sel, exp string
+		by       QueryOption
+	}{
+		{"#input4", "foo", ByID},
+		{"#input4", "foo and bar", ByID},
+		{"#input4", "1234567890", ByID},
+		{"#input4", "~!@#$%^&*()_+=[];'", ByID},
+		{"#input4", "你", ByID},
+		{"#input4", "\n\nfoo\n\nbar\n\n", ByID},
+	}
+
+	var err error
+	for i, test := range tests {
+		t.Run(fmt.Sprintf("test %d", i), func(t *testing.T) {
+			t.Parallel()
+
+			c := testAllocate(t, "input.html")
+			defer c.Release()
+
+			var nodes []*cdp.Node
+			err = c.Run(defaultContext, Nodes(test.sel, &nodes, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if len(nodes) != 1 {
+				t.Fatalf("expected nodes to have exactly 1 element, got: %d", len(nodes))
+			}
+
+			err = c.Run(defaultContext, Focus(test.sel, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
+			err = c.Run(defaultContext, KeyAction(test.exp))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
+			var value string
+			err = c.Run(defaultContext, Value(test.sel, &value, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if value != test.exp {
+				t.Fatalf("expected to have value %s, got: %s", test.exp, value)
+			}
+		})
+	}
+}
+
+func TestKeyActionNode(t *testing.T) {
+	tests := []struct {
+		sel, exp string
+		by       QueryOption
+	}{
+		{"#input4", "foo", ByID},
+		{"#input4", "foo and bar", ByID},
+		{"#input4", "1234567890", ByID},
+		{"#input4", "~!@#$%^&*()_+=[];'", ByID},
+		{"#input4", "你", ByID},
+		{"#input4", "\n\nfoo\n\nbar\n\n", ByID},
+	}
+
+	var err error
+	for i, test := range tests {
+		t.Run(fmt.Sprintf("test %d", i), func(t *testing.T) {
+			t.Parallel()
+
+			c := testAllocate(t, "input.html")
+			defer c.Release()
+
+			var nodes []*cdp.Node
+			err = c.Run(defaultContext, Nodes(test.sel, &nodes, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if len(nodes) != 1 {
+				t.Fatalf("expected nodes to have exactly 1 element, got: %d", len(nodes))
+			}
+
+			err = c.Run(defaultContext, KeyActionNode(nodes[0], test.exp))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+
+			var value string
+			err = c.Run(defaultContext, Value(test.sel, &value, test.by))
+			if err != nil {
+				t.Fatalf("got error: %v", err)
+			}
+			if value != test.exp {
+				t.Fatalf("expected to have value %s, got: %s", test.exp, value)
+			}
+		})
+	}
+}
diff --git a/nav_test.go b/nav_test.go
index 9f38ff9..9f5e1b7 100644
--- a/nav_test.go
+++ b/nav_test.go
@@ -82,10 +82,7 @@ func TestNavigationEntries(t *testing.T) {
 			t.Fatal(err)
 		}
 
-		err = c.Run(defaultContext, Sleep(time.Second*1))
-		if err != nil {
-			t.Fatal(err)
-		}
+		time.Sleep(time.Millisecond * 50)
 
 		err = c.Run(defaultContext, NavigationEntries(&index, &entries))
 		if err != nil {
@@ -119,10 +116,7 @@ func TestNavigateToHistoryEntry(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	err = c.Run(defaultContext, NavigationEntries(&index, &entries))
 	if err != nil {
@@ -134,20 +128,14 @@ func TestNavigateToHistoryEntry(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	err = c.Run(defaultContext, NavigateToHistoryEntry(entries[index].ID))
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var title string
 	err = c.Run(defaultContext, Title(&title))
@@ -172,10 +160,7 @@ func TestNavigateBack(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var exptitle string
 	err = c.Run(defaultContext, Title(&exptitle))
@@ -188,20 +173,14 @@ func TestNavigateBack(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	err = c.Run(defaultContext, NavigateBack())
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var title string
 	err = c.Run(defaultContext, Title(&title))
@@ -226,20 +205,14 @@ func TestNavigateForward(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	err = c.Run(defaultContext, Navigate(testdataDir+"/"+"image.html"))
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var exptitle string
 	err = c.Run(defaultContext, Title(&exptitle))
@@ -252,20 +225,14 @@ func TestNavigateForward(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	err = c.Run(defaultContext, NavigateForward())
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var title string
 	err = c.Run(defaultContext, Title(&title))
@@ -309,10 +276,7 @@ func TestReload(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var exptitle string
 	err = c.Run(defaultContext, Title(&exptitle))
@@ -325,10 +289,7 @@ func TestReload(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var title string
 	err = c.Run(defaultContext, Title(&title))
@@ -353,10 +314,7 @@ func TestCaptureScreenshot(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var buf []byte
 	err = c.Run(defaultContext, CaptureScreenshot(&buf))
@@ -389,10 +347,7 @@ func TestAddOnLoadScript(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	if scriptID == "" {
 		t.Fatal("got empty script ID")
@@ -428,10 +383,7 @@ func TestRemoveOnLoadScript(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 }
 
 func TestLocation(t *testing.T) {
@@ -448,10 +400,7 @@ func TestLocation(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var urlstr string
 	err = c.Run(defaultContext, Location(&urlstr))
@@ -478,10 +427,7 @@ func TestTitle(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = c.Run(defaultContext, Sleep(time.Second*1))
-	if err != nil {
-		t.Fatal(err)
-	}
+	time.Sleep(time.Millisecond * 50)
 
 	var title string
 	err = c.Run(defaultContext, Title(&title))
diff --git a/query_test.go b/query_test.go
index 1bcf36d..3fc948b 100644
--- a/query_test.go
+++ b/query_test.go
@@ -782,13 +782,10 @@ func TestComputedStyle(t *testing.T) {
 			c := testAllocate(t, "js.html")
 			defer c.Release()
 
-			err := c.Run(defaultContext, Sleep(time.Millisecond*50))
-			if err != nil {
-				t.Fatalf("got error: %v", err)
-			}
+			time.Sleep(time.Millisecond * 50)
 
 			var styles []*css.ComputedProperty
-			err = c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
+			err := c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
 			if err != nil {
 				t.Fatalf("got error: %v", err)
 			}
@@ -806,10 +803,7 @@ func TestComputedStyle(t *testing.T) {
 				t.Fatalf("got error: %v", err)
 			}
 
-			err = c.Run(defaultContext, Sleep(time.Millisecond*50))
-			if err != nil {
-				t.Fatalf("got error: %v", err)
-			}
+			time.Sleep(time.Millisecond * 50)
 
 			err = c.Run(defaultContext, ComputedStyle(test.sel, &styles, test.by))
 			if err != nil {
diff --git a/testdata/input.html b/testdata/input.html
new file mode 100644
index 0000000..d9c717b
--- /dev/null
+++ b/testdata/input.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+<body style="background-color: white">
+  <script>
+    window.document.test_i = 0
+  </script>
+  <input id="input1" type="number" value="0"/>
+  <input id="input2" type="number" value="0"/>
+  <input id="button1" type="button" value="button 1"> 
+  <hr>
+  <input id="input3" type="text" value="foo"/>
+  <textarea id="input4"/></textarea>
+  <input id="button2" type="button" value="button 2"/> 
+  <input id="button3" type="button" style="float: right;margin-left: 500px;" value="offscreen button" onclick="javascript:window.document.test_i++;return false;"/>
+  <script>
+    document.addEventListener("click", function(){
+      document.getElementById('input1').value = event.clientX;
+      document.getElementById('input2').value = event.clientY;
+    });
+
+    document.getElementById('button2').addEventListener('click', function(e) {
+      e.preventDefault();
+      document.getElementById('input3').value = 'bar';return false;
+    }, false);
+    document.getElementById('button2').addEventListener('dblclick', function(e) {
+      e.preventDefault();
+      document.getElementById('input3').value = 'bar2';return false;
+    }, false);
+    document.getElementById('button2').addEventListener('contextmenu', function(e) {
+      e.preventDefault();
+      document.getElementById('input3').value = 'bar-right';return false;
+    }, false);
+    document.getElementById('button2').addEventListener('auxclick', function(e) {
+      e.preventDefault();
+      document.getElementById('input3').value = 'bar-middle';return false;
+    }, false);
+  </script>
+</body>
+</html>