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Simple test JS code

2022-07-24 17:53:00 【Zero one_】

background

because JS The program cannot be like C++、Python Programs run separately , It is not conducive to testing the function of a piece of code

Purpose

A short test JS Code

step

（1） Create a new one test.html file

（2） stay test.html Write the following in the document

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>test</title>
<script type="text/javascript">
</script>
</head>
<body>
</body>
</html>

（3） stay test.html Write what needs to be tested JS Code , as follows

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>test</title>
<script type="text/javascript">

function Student(name, age){
	this.name = name;
	this.age = age;
	this.description = function(){
		return this.name + " The age of ：" + this.age;
	}
}

var p4 = new Student("Tony", 28);
var p5 = new Student("Tom", 40);
console.log(p4.description())	// Output is ：Tony The age of ：28
console.log(p5.description())	// Output is ：Tom The age of ：40

</script>
</head>
<body>
</body>
</html>

（4） Open it in a browser test.html, Press F12, see console.log() The contents of the printout

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