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Jquery使用val方法讀寫value值，jqueryval
本文執行個體講述了Jquery使用val方法讀寫value值。分享給大家供大家參考。具體如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title></title><script src="jquery-1.6.2.min.js" type="text/javascript"></script> <script type="text/javascript">$(function () { $("#btnTest").click(function () { //----1.讀取value的值 alert($("#btnTest").val()); //----2.設定value的值 $("#btnTest").val("我是修改後的文本"); });});</script></head><body><input id="btnTest" type="button" value="我是原始文本" /></body></html>
希望本文所述對大家的jQuery程式設計有所協助。
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