tryjs_datatypes_string 在线代码实例

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<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
</head>
<body>
<script>
var carname1="Volvo XC60";
var carname2='Volvo XC60';
var answer1="It's alright";
var answer2="He is called 'Johnny'";
var answer3='He is called "Johnny"';
var answer4='It\'s alright';
var answer5="He is called \"Johnny\"";
document.write(carname1 + "<br>")
document.write(carname2 + "<br>")
document.write(answer1 + "<br>")
document.write(answer2 + "<br>")
document.write(answer3 + "<br>")
document.write(answer4 + "<br>")
document.write(answer5 + "<br>")
</script>
</body>
</html>
 
 
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运行结果
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