锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x56FD;&#x4EA7;&#x7CBE;&#x54C1;&#x9AD8;&#x6F6E;&#x547B;&#x541F;&#x4E45;&#x4E45;&#x4E45;&#x4E45;&#x2C;&#x39;&#x31;&#x9EBB;&#x8C46;&#x7CBE;&#x54C1;&#x56FD;&#x4EA7;&#x39;&#x31;&#x4E45;&#x4E45;&#x4E45;&#x66F4;&#x65B0;&#x65F6;&#x95F4;&#x0D;&#x2C;&#x4E9A;&#x6D32;&#x56FD;&#x4EA7;&#x7CBE;&#x54C1;&#x39;&#x39;&#x39;</title><link>http://www.aygfsteel.com/Mosquito323/</link><description /><language>zh-cn</language><lastBuildDate>Sat, 21 Jun 2025 20:38:42 GMT</lastBuildDate><pubDate>Sat, 21 Jun 2025 20:38:42 GMT</pubDate><ttl>60</ttl><item><title>parseFloat鐨勭簿搴﹂棶棰?/title><link>http://www.aygfsteel.com/Mosquito323/archive/2009/01/10/250819.html</link><dc:creator>NWU绱皵涓滄潵</dc:creator><author>NWU绱皵涓滄潵</author><pubDate>Sat, 10 Jan 2009 09:11:00 GMT</pubDate><guid>http://www.aygfsteel.com/Mosquito323/archive/2009/01/10/250819.html</guid><wfw:comment>http://www.aygfsteel.com/Mosquito323/comments/250819.html</wfw:comment><comments>http://www.aygfsteel.com/Mosquito323/archive/2009/01/10/250819.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/Mosquito323/comments/commentRss/250819.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/Mosquito323/services/trackbacks/250819.html</trackback:ping><description><![CDATA[<p>鍐檍s鏃墮亣鍒扮殑闂錛屽凡緇忚В鍐籌紝鍋氱瑪璁?br />
<br />
鍦╦s涓繘琛屼互鍏冧負鍗曚綅榪涜閲戦璁＄畻鏃?浣跨敤parseFloat浼氫駭鐢熺簿搴﹂棶棰?br />
</p>
<p>var price = 10.99;<br />
var <span id="wmqeeuq"    class="sourceRowText">quantity</span> = 7;<br />
var needPay = parseFloat(price * quantity);<br />
<br />
needPay鐨勬紜粨鏋滃簲璇ユ槸76.93鍏?nbsp; 浣嗘槸榪愯鍚庡彂鐜皀eedPay涓?span class="objectBox objectBox-number">76.93000000000001</span>&nbsp;<br />
姝ゆ儏鍐靛彲閫氳繃 toFixed(n)&nbsp; 鏂規硶淇 浣嗘槸榪欎釜鏂規硶瀵?js鐗堟湰瑕佹眰杈冮珮 涓嶈兘鍏煎ie5<br />
<br />
鍙︿竴涓В鍐蟲柟妗堟槸錛?灝嗗厓涓哄崟浣嶇殑閲戦涔樹互100鎹㈢畻涓哄垎榪涜璁＄畻<br />
<br />
var price = 10.99<br />
var quantity = 7<br />
var needPay = Math.floor(parseFloat(price*100 * quantity))/100;<br />
<br />
parseFloat(price*100 * quantity)鐨勮綆楃粨鏋滄槸<span id="wmqeeuq"    class="objectBox objectBox-number">7693.000000000001</span>&nbsp;&nbsp; 浣跨敤Math.round()鏂規硶鍥涜垗浜斿叆錛屽啀闄?00&nbsp; 鍗充負姝ｇ‘鐨勭粨鏋?br />
<br />
PS錛氶『渚垮鍒頒簡涓�鐐癸細Math.ceil() Math.floor() Math.round() 鐨勫尯鍒?br />
Math.ceil() 鏄悜涓婂彇鏁?br />
Math.floor()鏄悜涓嬪彇鏁?br />
Math.round()鏄洓鑸嶄簲鍏?br />
</p>
<img src ="http://www.aygfsteel.com/Mosquito323/aggbug/250819.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/Mosquito323/" target="_blank">NWU绱皵涓滄潵</a> 2009-01-10 17:11 <a href="http://www.aygfsteel.com/Mosquito323/archive/2009/01/10/250819.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>               <footer>
<div class="friendship-link">
<a href="http://www.aygfsteel.com/" title="&#29408;&#29408;&#20037;&#20037;&#20122;&#27954;&#27431;&#32654;&#19987;&#21306;&#95;&#20013;&#25991;&#23383;&#24149;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#50;&#48;&#50;&#95;&#22269;&#20135;&#31934;&#21697;&#20122;&#27954;&#31532;&#20116;&#21306;&#22312;&#32447;&#95;&#26085;&#26412;&#20813;&#36153;&#32593;&#31449;&#35270;&#39057;">&#29408;&#29408;&#20037;&#20037;&#20122;&#27954;&#27431;&#32654;&#19987;&#21306;&#95;&#20013;&#25991;&#23383;&#24149;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#50;&#48;&#50;&#95;&#22269;&#20135;&#31934;&#21697;&#20122;&#27954;&#31532;&#20116;&#21306;&#22312;&#32447;&#95;&#26085;&#26412;&#20813;&#36153;&#32593;&#31449;&#35270;&#39057;</a>

</div>

</footer>


主站蜘蛛池模板：
<a href="http://" target="_blank">安国市</a>|
<a href="http://" target="_blank">浦江县</a>|
<a href="http://" target="_blank">延安市</a>|
<a href="http://" target="_blank">依兰县</a>|
<a href="http://" target="_blank">如皋市</a>|
<a href="http://" target="_blank">巴青县</a>|
<a href="http://" target="_blank">龙口市</a>|
<a href="http://" target="_blank">宁蒗</a>|
<a href="http://" target="_blank">五大连池市</a>|
<a href="http://" target="_blank">依兰县</a>|
<a href="http://" target="_blank">阜城县</a>|
<a href="http://" target="_blank">友谊县</a>|
<a href="http://" target="_blank">桃源县</a>|
<a href="http://" target="_blank">曲水县</a>|
<a href="http://" target="_blank">凤山市</a>|
<a href="http://" target="_blank">缙云县</a>|
<a href="http://" target="_blank">阳曲县</a>|
<a href="http://" target="_blank">时尚</a>|
<a href="http://" target="_blank">响水县</a>|
<a href="http://" target="_blank">绥滨县</a>|
<a href="http://" target="_blank">彰化县</a>|
<a href="http://" target="_blank">临夏县</a>|
<a href="http://" target="_blank">永寿县</a>|
<a href="http://" target="_blank">高要市</a>|
<a href="http://" target="_blank">太湖县</a>|
<a href="http://" target="_blank">永年县</a>|
<a href="http://" target="_blank">承德县</a>|
<a href="http://" target="_blank">临漳县</a>|
<a href="http://" target="_blank">康定县</a>|
<a href="http://" target="_blank">嘉荫县</a>|
<a href="http://" target="_blank">黑水县</a>|
<a href="http://" target="_blank">鄂温</a>|
<a href="http://" target="_blank">苏州市</a>|
<a href="http://" target="_blank">长顺县</a>|
<a href="http://" target="_blank">界首市</a>|
<a href="http://" target="_blank">汨罗市</a>|
<a href="http://" target="_blank">太保市</a>|
<a href="http://" target="_blank">保德县</a>|
<a href="http://" target="_blank">安吉县</a>|
<a href="http://" target="_blank">驻马店市</a>|
<a href="http://" target="_blank">依兰县</a>|
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>
</body>