js遇到的问题，引号的问题htmlscriptfunction set(){var svar a1var baaasinput typebutto
js遇到的问题，引号的问题
<html><script>function set(){var s;var a=1;var b='aaa';s="<input type='button' onclick='add("+a+",\""+b+"\",2)' value='click' />";document.getElementById("content").innerHTML=s;}function add(id,name,num){alert(id);}</script><body><input type="button" value="touch" onclick="set()" /><div id="content"></div></body></html>引号重叠要加转义