谢谢民工同志
已经解决了<input type= "button " onClick= "ChkLen() " value= "button " >
<textarea name= "test " >
半角aa
</textarea >
function ChkLen()
{
var len = 0;
var strValue = form1.test.value;
for (var i = 0; i < strValue.length; ++i)
{
var c = strValue.charCodeAt(i);
//半角
if (c < 256 ¦ ¦ (c >= 0xff61 && c <= 0xff9f))
{
len = len + 1;
}
//全角
else
{
len = len + 2;
}
}
alert(len);
}
已经解决了<input type= "button " onClick= "ChkLen() " value= "button " >
<textarea name= "test " >
半角aa
</textarea >
function ChkLen()
{
var len = 0;
var strValue = form1.test.value;
for (var i = 0; i < strValue.length; ++i)
{
var c = strValue.charCodeAt(i);
//半角
if (c < 256 ¦ ¦ (c >= 0xff61 && c <= 0xff9f))
{
len = len + 1;
}
//全角
else
{
len = len + 2;
}
}
alert(len);
}
解决方案 »
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