Which of the Following Is the Best Way to Prompt

Multiple Choice

Which of the following is the best way to prompt for number of children and store the input as a number?

A) numOfKids = parseInt(prompt("Number of children:", "") ) ;
B) numOfKids = parseFloat(prompt("Number of children:", "") ) ;
C) numOfKids = confirm("Number of children:") ) ;
D) prompt(numOfKids, "Number of children:") ) ;