这不起作用:
<a onclick="if(document.getElementById('div2','div1') .style.display=='none') {document.getElementById('div2','div1') .style.display=''}else
{document.getElementById('div2','div1') .style.display='none'}">
this1 ~~
</a>
<div id="div1" style="display:none">
1
</div>
<a onclick="if(document.getElementById('div2') .style.display=='none') {document.getElementById('div2') .style.display=''}else
{document.getElementById('div2') .style.display='none'}">
this2 ~~
</a>
<div id="div2" style="display:none">
2
</div>
点击this1时如何显示div2和div1~~?它只在点击时显示 div2 而不是同时显示。为什么它不起作用?