函数传参
<script type="text/javascript">
window.onload = function () {
var a = document.getElementById('div1');
function changeStyle(styl,val) {
a.style[styl] = val;
}
changeStyle('color','red');
changeStyle('background','gold');
}
</script>
Return关键字
window.onload = function () {
input01 = document.getElementById('input01');
input02 = document.getElementById('input02');
btn = document.getElementById('btn');
btn.onclick = function () {
var val01 = input01.value;
var val02 = input02.value;
var result = add(val01,val02);
alert(result)
};
function add(a,b) {
var c = parseInt(a)+ parseInt(b);
return c;
}
}
