<span style=
"color: #0000ff;"
><span style=
"color: #ff00ff;"
>DOCTYPE html</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>html</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>head</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>meta </span><span style=
"color: #ff0000;"
>charset</span><span style=
"color: #0000ff;"
>=
"utf-8"
</span><span style=
"color: #0000ff;"
>/></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>title</span><span style=
"color: #0000ff;"
>></span>IE事件模型<span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>title</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>head</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>body</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>input </span><span style=
"color: #ff0000;"
>type</span><span style=
"color: #0000ff;"
>=
"button"
</span><span style=
"color: #ff0000;"
> value</span><span style=
"color: #0000ff;"
>=
"Event对象"
</span><span style=
"color: #0000ff;"
>/></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>p</span><span style=
"color: #0000ff;"
>></span>事件传播过程:<span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>p</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
><span style=
"color: #800000;"
>script</span><span style=
"color: #0000ff;"
>></span><span style=
"background-color: #f5f5f5; color: #000000;"
>
window.onload</span><span style=
"background-color: #f5f5f5; color: #000000;"
>=</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
function
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(){
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
var
</span><span style=
"background-color: #f5f5f5; color: #000000;"
> btn</span><span style=
"background-color: #f5f5f5; color: #000000;"
>=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>document.getElementsByTagName(</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">input</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>)[</span><span style=
"background-color: #f5f5f5; color: #000000;"
>0</span><span style=
"background-color: #f5f5f5; color: #000000;"
>];
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
var
</span><span style=
"background-color: #f5f5f5; color: #000000;"
> p</span><span style=
"background-color: #f5f5f5; color: #000000;"
>=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>document.getElementsByTagName(</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">p</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>)[</span><span style=
"background-color: #f5f5f5; color: #000000;"
>0</span><span style=
"background-color: #f5f5f5; color: #000000;"
>];
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
var
</span><span style=
"background-color: #f5f5f5; color: #000000;"
> i</span><span style=
"background-color: #f5f5f5; color: #000000;"
>=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>1</span><span style=
"background-color: #f5f5f5; color: #000000;"
>;
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
do
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>{
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
if
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(btn.addEventListener)
{
btn.addEventListener(</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">click</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>,</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
function
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(){
p.innerHTML</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
"><br>(</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #000000;"
> i</span><span style=
"background-color: #f5f5f5; color: #000000;"
>++</span> <span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">) </span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>this</span><span style=
"background-color: #f5f5f5; color: #000000;"
>.nodeName;
},</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>false</span><span style=
"background-color: #f5f5f5; color: #000000;"
>);
}
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
else
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
{
btn.attachEvent(</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">onclick</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>,(</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
function
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(btn){
</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
return
</span> <span style=
"background-color: #f5f5f5; color: #0000ff;"
>
function
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(){ </span><span style=
"background-color: #f5f5f5; color: #008000;"
>
<span style=
"background-color: #f5f5f5; color: #000000;"
> p.innerHTML</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
"><br>(</span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #000000;"
> i</span><span style=
"background-color: #f5f5f5; color: #000000;"
>++</span> <span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #000000;"
>
"</span><span style="
background-color: #f5f5f5; color: #000000;
">) </span><span style="
background-color: #f5f5f5; color: #000000;
">"
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>+</span><span style=
"background-color: #f5f5f5; color: #000000;"
>btn.nodeName;
}
})(btn)); </span><span style=
"background-color: #f5f5f5; color: #008000;"
>
<span style=
"background-color: #f5f5f5; color: #000000;"
> }
btn</span><span style=
"background-color: #f5f5f5; color: #000000;"
>=</span><span style=
"background-color: #f5f5f5; color: #000000;"
>btn.parentNode;
}</span><span style=
"background-color: #f5f5f5; color: #0000ff;"
>
while
</span><span style=
"background-color: #f5f5f5; color: #000000;"
>(btn);
}
</span><span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>script</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>body</span><span style=
"color: #0000ff;"
>></span>
<span style=
"color: #0000ff;"
></span><span style=
"color: #800000;"
>html</span><span style=
"color: #0000ff;"
>></span></span></span></span></span></span></span></span></span></span>