【Kode HTML】
<able> <tr> <td> Konten SMS: </td> <td> <textarea name = "pesan" cols = "96" baris = "5" onceydown = "textcounter (pesan, remlen, 65);" oNKeyup = "TextCounter (pesan, Remlen, 65);"> </TextAreaa> <> TextCounter (TR/TR </TR/TR/TR/TR/TR/TR/TR/TR/TR/TR/TR/TR/TR/TROUREAACT (TRAN, 65); name = "remlen" type = "text" value = "65" size = "5" readOnly = "readonly"> karakter, dan jumlah karakter maksimum yang diizinkan untuk setiap pesan teks adalah <strong> 65 </strong> karakter </td> </tr> </able>
【Kode JS yang relevan】
<script> function textcounter (field, countfield, maxlimit) {if (field.value.length> maxlimit) field.value = field.value.substring (0, maxlimit); elsountfield.value = maxlimit - field.value.length;} </skrip> skrip>