Restricting the input field with maxlength

Restricting the input field value with maxlength specified using the below javascript here,

function textLimit(field, maxlen)
  {
  if (field.value.length > maxlen + 1)
  alert(‘your input has been truncated!’);
  if (field.value.length > maxlen)
  field.value = field.value.substring(0, maxlen);
  }

This function is called on the input text onkeyup events, like below

<INPUT TYPE=”text” NAME=”dd” onkeyup=”textLimit(dd,10)”>

 

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