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Question from the Javascript - Fundamentals test

Write a Javascript function that prints 'Hello'

Medium

What should I put in place of "?" on last line to display the message ''Hello''?

function sayHello() { console.log('Hello'); } 
function test (function_to_test) { function_to_test(); }
test(sayHello?);
Author: Vincent CotroStatus: Published(Update)Question passed 158 times
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