Update lib.rs (#2464)

Author: Anonymous

examples/dom/src/lib.rs

@@ -11,7 +11,7 @@ pub fn run() -> Result<(), JsValue> {
 
     // Manufacture the element we're gonna append
     let val = document.create_element("p")?;
-    val.set_inner_html("Hello from Rust!");
+    val.set_text_content("Hello from Rust!");
 
     body.append_child(&val)?;