Password Validation Minimum and Maximum Numbers

JS
<SCRIPT>
$('#pass1').on('blur', function () {
if (this.value.length !=0){
    if (this.value.length < 3 || this.value.length >8 ) {
        alert('Passsword length should be between 3 and 8');
        this.value ="";
        return false;
    }
    }
});
</SCRIPT>

HTML

<input type="password" name="password" id="pass1" placeholder="password" />