小编pwp*_*pwp的帖子

我想知道为什么,只要页面加载,btw_bijtellen ()就会调用该函数.我想通过点击来调用它...

var $ = function (id) {
    return document.getElementById (id);
}

function btw_bijtellen () {
    window.alert("we want to calculate something after clicking th button");
}

$("bereken").onclick = btw_bijtellen ();