diff --git a/examples/webgl/src/lib.rs b/examples/webgl/src/lib.rs
index 69c635f5..5e338fa2 100644
--- a/examples/webgl/src/lib.rs
+++ b/examples/webgl/src/lib.rs
@@ -5,6 +5,7 @@ extern crate web_sys;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen::JsCast;
 use web_sys::{WebGlProgram, WebGlRenderingContext, WebGlShader};
+use js_sys::{WebAssembly};
 
 #[wasm_bindgen]
 pub fn draw() {
@@ -44,17 +45,19 @@ pub fn draw() {
     let program = link_program(&context, [vert_shader, frag_shader].iter()).unwrap();
     context.use_program(Some(&program));
 
-    let vertices = [-0.7, -0.7, 0.0, 0.7, -0.7, 0.0, 0.0, 0.7, 0.0];
-    let vert_array = js_sys::Float32Array::new(&wasm_bindgen::JsValue::from(vertices.len() as u32));
-    for (i, f) in vertices.iter().enumerate() {
-        vert_array.fill(*f, i as u32, (i + 1) as u32);
-    }
+    let vertices: [f32; 9] = [-0.7, -0.7, 0.0, 0.7, -0.7, 0.0, 0.0, 0.7, 0.0];
+    let memory_buffer = wasm_bindgen::memory().dyn_into::<WebAssembly::Memory>().unwrap().buffer();
+    let vertices_location = vertices.as_ptr() as u32 / 4;
+    let vert_array = js_sys::Float32Array::new(&memory_buffer).subarray(
+        vertices_location,
+        vertices_location + vertices.len() as u32,
+    );
 
     let buffer = context.create_buffer().unwrap();
     context.bind_buffer(WebGlRenderingContext::ARRAY_BUFFER, Some(&buffer));
-    context.buffer_data_with_opt_array_buffer(
+    context.buffer_data_with_array_buffer_view(
         WebGlRenderingContext::ARRAY_BUFFER,
-        Some(&vert_array.buffer()),
+        vert_array.as_ref(),
         WebGlRenderingContext::STATIC_DRAW,
     );
     context.vertex_attrib_pointer_with_i32(0, 3, WebGlRenderingContext::FLOAT, false, 0, 0);