nashorn/test/script/basic/applycall.js

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * Verify "length" property of functions is arity.
 * Verify that function can be called by apply and call.
 *
 * @test
 * @run
 */

function func(x, y) { print(x); print(y); }

print(func.call);
print("func.call.length = " + func.call.length);

func.call(this, "hello, ", "world");
func.apply(this, [ "hello, " , "world" ]);
func("hello, ", "world");

// extension: you can pass java List to apply

var list = new java.util.ArrayList();
list.add("invokedynamic");
list.add(" is great!");
func.apply(this, list);

print("func.apply.length = " + func.apply.length);

function func2() {
    print("I am func2");
}

func2.apply(this);

func.apply(this);