javaScript 数据类型
<!DOCTYPE html>
<html>
<head>
<title>javaScript 数据类型</title>
</head>
<body>
<p id = "typeof"></p>
<script>
document.getElementById("typeof").innerHTML =
"typeof \"test string\"->" +typeof "test string" + "<br>" +
"typeof 1234567->"+typeof 1234567 + "<br>" +
"typeof NaN->"+typeof NaN + "<br>" +
"typeof true->"+typeof true + "<br>" +
"typeof [1,2,3,4]->"+typeof [1,2,3,4] + "<br>" +
"typeof {name:'jack ma', sex:'女',age:50}->"+typeof {name:'jack ma', sex:'女',age:50} + "<br>" +
"typeof new Date()->"+typeof new Date() + "<br>" +
"typeof function () {}->"+typeof function () {} + "<br>" +
"typeof abc->"+typeof abc + "<br>" +
"typeof null->"+typeof null;
var Animal = function() {
type:"cat";
name:"KT"
};
var animal = new Animal();
console.log((animal instanceof Animal))
</script>
</body>
</html>
标签：function,javaScript,数据类型,typeof,Animal,new From： https://www.cnblogs.com/dwdw/p/16728196.html