📄 js_checklen.js
字号:
function NoteHint(F){
s=self.document.form.note.value;
len=s.length;
if(len>50){
document.form.note_charleft.value = "留言太长了!";
document.form.note_charleft.style.color = "#FF0000";
return;
}
count=0;
var ch=0;
for(i=0;i<len;i++){
ch=s.charCodeAt(i)&0xffff;
if(ch<0xff){
count++;
}
else{
count+=2;
}
}
count=100-count;
var col = "#000000";
var num1;
if(count >= 0) {
num1 = "剩余字符长度:" + count;
col = "#CC3300";
}
else {
num2 = (-1) * count;
num1 = "约会留言超长" + num2 + "字符";
col = "#FF0000";
}
document.form.note_charleft.value = num1;
document.form.note_charleft.style.color = col;
}
//-->
</SCRIPT>
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