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<html> <head><title>獲取下拉列表選中項(xiàng)的值和文本(select)</title></head> <body> <script> //獲取下拉列表選中項(xiàng)的文本 function getSelectedText(name){ var obj=document.getElementById(name); for(i=0;i<obj.length;i++){ if(obj[i].selected==true){ return obj[i].innerText; //關(guān)鍵是通過(guò)option對(duì)象的innerText屬性獲取到選項(xiàng)文本『注』要兼容Firefox需使用innerHTML屬性 } } } //獲取下拉列表選中項(xiàng)的值 function getSelectedValue(name){ var obj=document.getElementById(name); return obj.value; //如此簡(jiǎn)單，直接用其對(duì)象的value屬性便可獲取到 } </script> <select id="myselect"> <option value="fist">1</option> <option value="second">2</option> <option value="third">3</option> </select> <input type="button" value="所選文本" onclick="alert(getSelectedText('myselect'));" /> <input type="button" value="所選值" onclick="alert( getSelectedValue('myselect'));" /> </body> </html> |
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