// 转换成字符型
var married = false;
alert(married.toString());
// 字符型转换成其他
var test = parseInt(“blue”); //returns NaN
var test = parseInt(“1234blue”); //returns 1234
var test = parseInt(“22.5”); //returns 22
var test = parseFloat(“1234blue”); //returns 1234
var test = parseFloat(“22.5”); //returns 22.5