Question: Which of the following is/are the string properties?
A
B
C
D
length
B
toLowerCase
C
indexOf
D
valueOf
Note: Not available
<script type="text/JavaScript"> function ValidateField() { if(document.forms[0].txtId.value =="") {return false;} return true; } </script>Which of the options will you use for calling this function as soon as the user leaves the field?