consider the following javascript validation function script type text javascript validatefield..., Function, Javascript

Question:Consider the following JavaScript validation function:<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?

A <input name=txtId type="text" onreset="return ValidateField()"> 
B <input name=txtId type="text" onfocus="return ValidateField()"> 
C <input name=txtId type="text" onsubmit="return ValidateField()"> 
D <input name=txtId type="text" onblur="return ValidateField()">

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+ AnswerD

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Question:Consider the following JavaScript validation function:<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?

A <input name=txtId type="text" onreset="return ValidateField()">

B <input name=txtId type="text" onfocus="return ValidateField()">

C <input name=txtId type="text" onsubmit="return ValidateField()">

D <input name=txtId type="text" onblur="return ValidateField()">

D