napi_has_element

ohos_sys::napi

Function napi_has_element 

Source 
pub unsafe extern "C" fn napi_has_element(
    env: napi_env,
    object: napi_value,
    index: u32,
    result: *mut bool,
) -> napi_status
Available on crate feature napi only.
Expand description

Check if the given ArkTS Array has an element at the requested index.

§Arguments

  • env - Current running virtual machine context.

  • object - The ArkTS Array.

  • index - The name of the property to check.

  • result - Whether the property exists on the Array or not.

§Returns

  • Returns the function execution status. [napi_ok] If the function executed successfully.

[napi_invalid_arg] If the param env, object and(or) result is nullptr.

[napi_object_expected] If the param object is not an ArkTS Object.

[napi_pending_exception] If have uncaught exception, or exception occurred in execution.

Available since API-level: 10