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Contents
# `js_class = "Blah"`
The `js_class` attribute can be used in conjunction with the `method` attribute
to bind methods of imported JavaScript classes that have been renamed on the
Rust side.
```rust
#[wasm_bindgen]
extern "C" {
// We don't want to import JS strings as `String`, since Rust already has a
// `String` type in its prelude, so rename it as `JsString`.
#[wasm_bindgen(js_name = String)]
type JsString;
// This is a method on the JavaScript "String" class, so specify that with
// the `js_class` attribute.
#[wasm_bindgen(method, js_class = "String", js_name = charAt)]
fn char_at(this: &JsString, index: u32) -> JsString;
}
```
Version data entries
30 entries across 30 versions & 1 rubygems