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.attr(“ href”)問題! 解決這個問題的簡單方法?

[英]Issue with .attr(“href”) ! An easy way to solve this?

 <head> <script type="text/javascript"> $(document).ready(function(){ $('#pickhour').change(function(){ pickhour1 = $(this).val(); $("#link1").attr("href", "http://lezkrlzekrzlmrez/" + pickhour1 + "/rzerzetztzerze/"); }); }); </script> </head> <body> <select id="pickhour" name="pickhour"> <option value="1">1H</option> <option value="2" selected>2H</option> <option value="3">3H</option> <option value="4">4H</option> </select> <a href="" id="link1">That link</a> </body> 

大家好,我今天的問題是.attr不適用於我的。 我希望“ pickhour”中的select選項更改動態地更新“ link1”的href。 我嘗試了很多事情,但是我對JS並不是很聰明,我希望有人能理解這是怎么回事,這似乎很容易..但不是! > <

添加到您的<HEAD>

<script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script>

 <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> </head> <body> <div id="buybtn"> <select id="pickhour" name="pickhour"> <option value="1">1H</option> <option value="2" selected>2H</option> <option value="3">3H</option> <option value="4">4H</option> </select> </div> <div id="buybtn2"> <a id="egglink" >Reserver un cours</a> </div> <script> $(document).ready(function(){ $('#pickhour').change(function(){ pickhour1 = $(this).val(); $("#egglink").attr("href", "http://school.egg-one.com/private-lesson/program-choice/program_choice/" + pickhour1 + "/player_id/87946"); }); }); </script> </body> 

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