Firefox not able to find iframe

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情话喂你 2020-12-22 04:39
This is the iframe I\'m trying to access:
 
        </script>
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                <span>(楼主)</span>
            
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                <span>2020-12-22 05:11</span>
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<p>The <code>window.frames[]</code> array is indexed by the [i]frame's <code>name</code> attribute (aka frame target). <code>id</code> can't be relied upon to also work — although it may in IE <8, which often thinks names and ids are the same thing.</p>

<p>If you want to access a frame's content via ID, use the DOM Level 2 HTML <code>contentDocument</code> property instead of the old-school (“DOM Level 0”) <code>frames</code> array:</p>

<pre><code>document.getElementById('additionalTxt_f').contentDocument.body.innerHTML
</code></pre>

<p>...but then, for compatibility with IE <8, you also have to add some fallback cruft, since it doesn't support <code>contentDocument</code>:</p>

<pre><code>var f= document.getElementById('additionalTxt_f');
var d= f.contentDocument? f.contentDocument : f.contentWindow.document;
d.body.innerHTML
</code></pre>

<p>So it's up to you which method you think is less ugly: the extra script work, or just using the <code>name</code> attribute.</p>
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                //这里可以选择自己需要的工具按钮名称,此处仅选择如下五个
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