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<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> <head> <title>javascript select options text value</title> <meta name="keywords" content="javascript select options text value add modify delete set"> <meta name="description" content="javascript select options text value add modify delete set"> <script language="javascript"> <!-- // Author: i@lxl.cn // Modify: i@cnlei.com function watch_ini(){ // 初始 for(var i=0; i<arguments.length; i++){ var oOption=new Option(arguments[i],arguments[i]); document.getElementById("MySelect").options[i]=oOption; } } function watch_add(f){ // 增加 var oOption=new Option(f.word.value,f.word.value); f.keywords.options[f.keywords.length]=oOption; } function watch_sel(f){ // 编辑 f.word.value = f.keywords.options[f.keywords.selectedIndex].text; } function watch_mod(f){ // 修改 f.keywords.options[f.keywords.selectedIndex].text = f.word.value; } function watch_del(f){ // 删除 f.keywords.options.remove(f.keywords.selectedIndex); } function watch_set(f){ // 保存 var set = ""; for(var i=0; i<f.keywords.length; i++){ set += f.keywords.options[i].text + ";"; } confirm(set); } //--> </script> </head> <body> <form name="watch" method="post" action=""> <select id="MySelect" name="keywords" size="10" onchange="watch_sel(this.form)"></select><br> <script language="javascript"> <!-- watch_ini("我","你","?","他","她","它","尔"); // 初始关键词 //--> </script> <input type="text" name="word" /><br /> <input type="button" value="增加" onclick="watch_add(this.form);" /> <input type="button" value="修改" onclick="watch_mod(this.form);" /> <input type="button" value="删除" onclick="watch_del(this.form);" /> <input type="button" value="保存" onclick="watch_set(this.form);" /> </form> </body> </html> |