addEventListener 动态绑定函数

Question

window.addEventListener('click', A0)
window.addEventListener('click', A1)
window.addEventListener('click', A2)
window.addEventListener('click', A3)
像这种情况下，怎么动态绑定第二个参数的函数

Answer 1

var funcArr = [A0, A1, A2, A3];

funcArr.forEach(function( item, index ) {
    window.addEventListener('click', item);
});