diff --git a/js/js.libraries/src/html5/canvas.kt b/js/js.libraries/src/html5/canvas.kt
index 85551e770af..61bcdb0b1bb 100644
--- a/js/js.libraries/src/html5/canvas.kt
+++ b/js/js.libraries/src/html5/canvas.kt
@@ -4,93 +4,93 @@ import kotlin.js.dom.html.HTMLElement
 import org.w3c.dom.Element
 
 public native trait HTMLCanvasElement : HTMLElement {
-    public native var width: Double
-    public native var height: Double
-    public native fun getContext(context: String): CanvasContext?
-    public native fun toDataURL(string: String, args: Any): String
-    public native fun toDataURL(): String
-    public native fun toDataURL(string: String): String
+    public var width: Double
+    public var height: Double
+    public fun getContext(context: String): CanvasContext?
+    public fun toDataURL(string: String, args: Any): String
+    public fun toDataURL(): String
+    public fun toDataURL(string: String): String
 }
 
 public native trait CanvasContext {
-    public native var canvas: HTMLCanvasElement
-    public native fun save(): Unit
-    public native fun restore(): Unit
-    public native fun scale(x: Number, y: Number): Unit
-    public native fun rotate(angle: Number): Unit
-    public native fun translate(x: Number, y: Number): Unit
-    public native fun transform(m11: Number, m12: Number, m21: Number, m22: Number, dx: Number, dy: Number): Unit
-    public native fun setTransform(m11: Number, m12: Number, m21: Number, m22: Number, dx: Number, dy: Number): Unit
-    public native var globalAlpha: Double
-    public native var globalCompositeOperation: String
-    public native var fillStyle: Any
-    public native var strokeStyle: Any
-    public native fun createLinearGradient(x0: Number, y0: Number, x1: Number, y1: Number): CanvasGradient?
-    public native fun createRadialGradient(x0: Number, y0: Number, r0: Number, x1: Number, y1: Number, r1: Number): CanvasGradient?
-    public native var lineWidth: Double
-    public native var lineCap: String
-    public native var lineJoin: String
-    public native var miterLimit: Double
-    public native var shadowOffsetX: Double
-    public native var shadowOffsetY: Double
-    public native var shadowBlur: Double
-    public native var shadowColor: String
-    public native fun clearRect(x: Number, y: Number, w: Number, h: Number): Unit
-    public native fun fillRect(x: Number, y: Number, w: Number, h: Number): Unit
-    public native fun strokeRect(x: Number, y: Number, w: Number, h: Number): Unit
-    public native fun beginPath(): Unit
-    public native fun closePath(): Unit
-    public native fun moveTo(x: Number, y: Number): Unit
-    public native fun lineTo(x: Number, y: Number): Unit
-    public native fun quadraticCurveTo(cpx: Number, cpy: Number, x: Number, y: Number): Unit
-    public native fun bezierCurveTo(cp1x: Number, cp1y: Number, cp2x: Number, cp2y: Number, x: Number, y: Number): Unit
-    public native fun arcTo(x1: Number, y1: Number, x2: Number, y2: Number, radius: Number): Unit
-    public native fun rect(x: Number, y: Number, w: Number, h: Number): Unit
-    public native fun arc(x: Number, y: Number, radius: Number, startAngle: Number, endAngle: Number, anticlockwise: Boolean): Unit
-    public native fun fill(): Unit
-    public native fun stroke(): Unit
-    public native fun clip(): Unit
-    public native fun isPointInPath(x: Number, y: Number): Boolean
-    public native fun drawFocusRing(element: Element, xCaret: Number, yCaret: Number, canDrawCustom: Boolean): Unit
-    public native fun drawFocusRing(element: Element, xCaret: Number, yCaret: Number): Unit
-    public native var font: String
-    public native var textAlign: String
-    public native var textBaseline: String
-    public native fun fillText(text: String, x: Number, y: Number, maxWidth: Number): Unit
-    public native fun fillText(text: String, x: Number, y: Number): Unit
-    public native fun strokeText(text: String, x: Number, y: Number, maxWidth: Number): Unit
-    public native fun strokeText(text: String, x: Number, y: Number): Unit
-    public native fun measureText(text: String): TextMetrics?
-    public native fun drawImage(image: HTMLElement, dx: Number, dy: Number): Unit
-    public native fun drawImage(image: HTMLElement, dx: Number, dy: Number, dw: Number, dh: Number): Unit
-    public native fun drawImage(image: HTMLElement, sx: Number, sy: Number, sw: Number, sh: Number, dx: Number, dy: Number, dw: Number, dh: Number): Unit
-    public native fun createImageData(imagedata: ImageData, sh: Number): ImageData?
-    public native fun createImageData(imagedata: ImageData): ImageData?
-    public native fun createImageData(sw: Number, sh: Number): ImageData?
-    public native fun createImageData(sw: Number): ImageData?
-    public native fun getImageData(sx: Number, sy: Number, sw: Number, sh: Number): ImageData?
-    public native fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number, dirtyWidth: Number, dirtyHeight: Number): Unit
-    public native fun putImageData(image_data: ImageData, dx: Number, dy: Number): Unit
-    public native fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number): Unit
-    public native fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number): Unit
-    public native fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number, dirtyWidth: Number): Unit
+    public var canvas: HTMLCanvasElement
+    public fun save(): Unit
+    public fun restore(): Unit
+    public fun scale(x: Number, y: Number): Unit
+    public fun rotate(angle: Number): Unit
+    public fun translate(x: Number, y: Number): Unit
+    public fun transform(m11: Number, m12: Number, m21: Number, m22: Number, dx: Number, dy: Number): Unit
+    public fun setTransform(m11: Number, m12: Number, m21: Number, m22: Number, dx: Number, dy: Number): Unit
+    public var globalAlpha: Double
+    public var globalCompositeOperation: String
+    public var fillStyle: Any
+    public var strokeStyle: Any
+    public fun createLinearGradient(x0: Number, y0: Number, x1: Number, y1: Number): CanvasGradient?
+    public fun createRadialGradient(x0: Number, y0: Number, r0: Number, x1: Number, y1: Number, r1: Number): CanvasGradient?
+    public var lineWidth: Double
+    public var lineCap: String
+    public var lineJoin: String
+    public var miterLimit: Double
+    public var shadowOffsetX: Double
+    public var shadowOffsetY: Double
+    public var shadowBlur: Double
+    public var shadowColor: String
+    public fun clearRect(x: Number, y: Number, w: Number, h: Number): Unit
+    public fun fillRect(x: Number, y: Number, w: Number, h: Number): Unit
+    public fun strokeRect(x: Number, y: Number, w: Number, h: Number): Unit
+    public fun beginPath(): Unit
+    public fun closePath(): Unit
+    public fun moveTo(x: Number, y: Number): Unit
+    public fun lineTo(x: Number, y: Number): Unit
+    public fun quadraticCurveTo(cpx: Number, cpy: Number, x: Number, y: Number): Unit
+    public fun bezierCurveTo(cp1x: Number, cp1y: Number, cp2x: Number, cp2y: Number, x: Number, y: Number): Unit
+    public fun arcTo(x1: Number, y1: Number, x2: Number, y2: Number, radius: Number): Unit
+    public fun rect(x: Number, y: Number, w: Number, h: Number): Unit
+    public fun arc(x: Number, y: Number, radius: Number, startAngle: Number, endAngle: Number, anticlockwise: Boolean): Unit
+    public fun fill(): Unit
+    public fun stroke(): Unit
+    public fun clip(): Unit
+    public fun isPointInPath(x: Number, y: Number): Boolean
+    public fun drawFocusRing(element: Element, xCaret: Number, yCaret: Number, canDrawCustom: Boolean): Unit
+    public fun drawFocusRing(element: Element, xCaret: Number, yCaret: Number): Unit
+    public var font: String
+    public var textAlign: String
+    public var textBaseline: String
+    public fun fillText(text: String, x: Number, y: Number, maxWidth: Number): Unit
+    public fun fillText(text: String, x: Number, y: Number): Unit
+    public fun strokeText(text: String, x: Number, y: Number, maxWidth: Number): Unit
+    public fun strokeText(text: String, x: Number, y: Number): Unit
+    public fun measureText(text: String): TextMetrics?
+    public fun drawImage(image: HTMLElement, dx: Number, dy: Number): Unit
+    public fun drawImage(image: HTMLElement, dx: Number, dy: Number, dw: Number, dh: Number): Unit
+    public fun drawImage(image: HTMLElement, sx: Number, sy: Number, sw: Number, sh: Number, dx: Number, dy: Number, dw: Number, dh: Number): Unit
+    public fun createImageData(imagedata: ImageData, sh: Number): ImageData?
+    public fun createImageData(imagedata: ImageData): ImageData?
+    public fun createImageData(sw: Number, sh: Number): ImageData?
+    public fun createImageData(sw: Number): ImageData?
+    public fun getImageData(sx: Number, sy: Number, sw: Number, sh: Number): ImageData?
+    public fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number, dirtyWidth: Number, dirtyHeight: Number): Unit
+    public fun putImageData(image_data: ImageData, dx: Number, dy: Number): Unit
+    public fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number): Unit
+    public fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number): Unit
+    public fun putImageData(image_data: ImageData, dx: Number, dy: Number, dirtyX: Number, dirtyY: Number, dirtyWidth: Number): Unit
 }
 
 public native trait CanvasGradient {
-    public native fun addColorStop(offset: Number, color: String): Unit
+    public fun addColorStop(offset: Number, color: String): Unit
 }
 
 public native trait ImageData {
-    public native var data: CanvasPixelArray
-    public native var width: Double
-    public native var height: Double
+    public var data: CanvasPixelArray
+    public var width: Double
+    public var height: Double
 }
 
 public native trait CanvasPixelArray {
-    public native var length: Double
+    public var length: Double
 }
 
 public native trait TextMetrics {
-    public native var width: Double
+    public var width: Double
 }