diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3a3a89..02fba9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 0.7.1
 
+* Type of `animation` parameter in `Alert` has been changed according to docs: now it is `Boolean`
+* Add tooltip `JS` part support
+
 ## 0.7.0
 
 * `Kotlin`: `1.8.20`
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/elements/Alert.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/elements/Alert.kt
index edec41f..731e0f7 100644
--- a/src/jsMain/kotlin/dev/inmo/jsuikit/elements/Alert.kt
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/elements/Alert.kt
@@ -12,7 +12,7 @@ import org.w3c.dom.HTMLDivElement
 @Composable
 fun Alert(
     attrs: Attrs<HTMLDivElement> = Attrs.empty(),
-    animation: UIKitAnimation? = UIKitAnimation.Fade,
+    animation: Boolean = true,
     duration: Milliseconds? = null,
     selClose: String? = null,
     content: ContentBuilder<HTMLDivElement>
@@ -22,7 +22,7 @@ fun Alert(
         include(UIKitAlert)
 
         buildAndAddAttribute("uk-alert") {
-            "animation" to animation ?.classes ?.firstOrNull()
+            "animation" to animation
             "duration" to duration
             "sel-close" to selClose
         }
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKit.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKit.kt
index 155d9d4..5f11a4f 100644
--- a/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKit.kt
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKit.kt
@@ -17,4 +17,7 @@ external interface UIKit {
 
     fun dropdown(element: Element, options: DropdownOptions = definedExternally): Dropdown
     fun dropdown(selector: String, options: DropdownOptions = definedExternally): Dropdown?
+
+    fun tooltip(element: Element): UIKitTooltip
+    fun tooltip(selector: String): UIKitTooltip?
 }
diff --git a/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKitTooltip.kt b/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKitTooltip.kt
new file mode 100644
index 0000000..40d76ff
--- /dev/null
+++ b/src/jsMain/kotlin/dev/inmo/jsuikit/types/UIKitTooltip.kt
@@ -0,0 +1,6 @@
+package dev.inmo.jsuikit.types
+
+external interface UIKitTooltip {
+    fun show()
+    fun hide()
+}