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为什么我的脚本不起作用?

我想替换这段代码中的数字:

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<a id="v0" style="text-decoration:none" href="/url?url=http://www.dailymotion.com/video/xt80kj_2nd-september-2012-southampton-vs-manchester-united-2-3-hd_sport&amp;rct=j&amp;sa=X&amp;ei=P2hEUIfkKYKk0QXppoHgCA&amp;ved=0CDwQuAIwAA&amp;q=manchester&amp;usg=AFQjCNGmLl3hg6CUcX5MsuU-njXolHOOlQ">
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<span class="vdur" style="right:0;background-color:#000;bottom:0;color:#000;filter:alpha(opacity=70);font-size:11px;font-weight:bold;opacity:0.7;-khtml-opacity:0.7;-moz-opacity:0.7;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">►&amp;nbsp;4:01</span>
<span class="vdur" style="right:0;bottom:0;color:#fff;font-size:11px;font-weight:bold;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">►&amp;nbsp;4:01</span>
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<h3 class="r inl">
<a href="http://www.dailymotion.com/video/xt80kj_2nd-september-2012-southampton-vs-manchester-united-2-3-hd_sport" class="l" onmousedown="return rwt(this,'','0','','1','AFQjCNFZjowZj8K920o31HeauBkHuwmpzA','6LR8Li4Qt3qhz4xWQE49yQ','0CDsQtwIwAA',null,event)" title="2nd September 2012 Southampton vs Manchester United 2-3 [HD] - Video Dailymotion">2nd September 2012 Southampton vs <em>Manchester</em> <b>...</b>
</a>
</h3>
<div> <cite class="kv">dailymotion.com</cite>
<span class="st">
<span class="f">
<span style="background:#aaa;border:#999 1px solid;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;color:#fff;font-size:10px;font-weight:bold;margin-right:5px;padding:0 3px;text-transform:uppercase">New</span>
<span class="nobr">14 hours ago</span> - <span class="nobr">4 min</span>
</span>
<br>2nd September 2012 Southampton vs <em>Manchester</em> United 2-3 [HD]<br>
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<a id="v0" style="text-decoration:none" href="/url?url=http://www.footytube.com/video/southampton-manchester-united-sep02-127801&amp;rct=j&amp;sa=X&amp;ei=P2hEUIfkKYKk0QXppoHgCA&amp;ved=0CD8QuAIwAQ&amp;q=manchester&amp;usg=AFQjCNGWDlz10zch_sUaWuQ63AO88LPtzA">
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<span class="vdur" style="right:0;background-color:#000;bottom:0;color:#000;filter:alpha(opacity=70);font-size:11px;font-weight:bold;opacity:0.7;-khtml-opacity:0.7;-moz-opacity:0.7;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">►&amp;nbsp;4:40</span>
<span class="vdur" style="right:0;bottom:0;color:#fff;font-size:11px;font-weight:bold;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">►&amp;nbsp;4:40</span>
</a>
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<h3 class="r inl">
<a href="http://www.footytube.com/video/southampton-manchester-united-sep02-127801" class="l" onmousedown="return rwt(this,'','0','','2','AFQjCNE5svFiL4Af9K2TuhaGf4ydP-LjtQ','t7BFtngpHDrP_gEBAAj7eg','0CD4QtwIwAQ',null,event)" title="Southampton vs. Manchester United Video Highlights &amp; Interviews (02nd Sep 12)">Southampton vs. <em>Manchester</em> United Video <b>...</b>
</a>
</h3>
<div> <cite class="kv">footytube.com</cite>
<span class="st">
<span class="f">
<span style="background:#aaa;border:#999 1px solid;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;color:#fff;font-size:10px;font-weight:bold;margin-right:5px;padding:0 3px;text-transform:uppercase">New</span>
<span class="nobr">13 hours ago</span> - <span class="nobr">5 min</span>
</span>
<br>Southampton v <em>Manchester</em> United video highlights, results and news. Match  played on Sunday, Sep 02 2012 <b>...</b>
<br>
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<a id="v0" style="text-decoration:none" href="/url?url=http://www.footytube.com/video/southampton-manchester-united-sep02-127812&amp;rct=j&amp;sa=X&amp;ei=P2hEUIfkKYKk0QXppoHgCA&amp;ved=0CEIQuAIwAg&amp;q=manchester&amp;usg=AFQjCNEBZOpSGbL3i-xMze45YxunEAhAag">
<div style="position:relative;top:-1px;left:0px">
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</div>
<span class="vdur" style="right:0;background-color:#000;bottom:0;color:#000;filter:alpha(opacity=70);font-size:11px;font-weight:bold;opacity:0.7;-khtml-opacity:0.7;-moz-opacity:0.7;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">►&amp;nbsp;5:53</span>
<span class="vdur" style="right:0;bottom:0;color:#fff;font-size:11px;font-weight:bold;padding:1px 3px;position:absolute;text-align:right;text-decoration:none">

使用此代码:

var html = document.getElementsByTagName("tr")[0].getElementsByTagName("td")[1].innerHTML
html = html.replace( /2012/g, "???" );
document.getElementsByTagName("tr")[0].getElementsByTagName("td")[1].innerHTML =html;

在这段代码中,我想替换2012????

但我想用 ??? 替换值中的每个数字 但不能替换 url 中的数字。

那可能吗?

4

1 回答 1

0

由于 URL 都-在 URL 中使用斜杠,因此您可以执行以下操作:

html = html.replace( /[^\-]2012/g, " ???" );
于 2012-09-03T10:13:14.420 回答