Function javascriptcore_sys::JSValueIsUndefined

source · 
pub unsafe extern "C" fn JSValueIsUndefined(
    ctx: JSContextRef,
    value: JSValueRef
) -> bool
Expand description

Tests whether a JavaScript value’s type is the undefined type.

  • ctx: The execution context to use.
  • value: The JSValue to test.

Returns true if value’s type is the undefined type, otherwise false.