javaScript报错后是否会继续执行后面的代码

青旅半醒 2023-03-05 09:35 104阅读 0赞

> ### ** javaScript报错后是否会继续执行后面的代码** ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2N6aDUwMA_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2N6aDUwMA_size_16_color_FFFFFF_t_70 1][]

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![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2N6aDUwMA_size_16_color_FFFFFF_t_70 3][]

> ### **javaScript报错后，在相同的script标签中的js代码，会受到影响；** ###
> 
> ### **在新的script标签中的js代码，不会受到影响！** ###

<!DOCTYPE html>
    <html>
    <head>
    <meta charset="UTF-8">
    <title>javaScript报错后是否会继续执行后面的代码</title>
    <link rel="stylesheet" type="text/css" href="../css/body.css" />
    <link rel="stylesheet" type="text/css" href="../css/mark.css" />
    <link rel="stylesheet" type="text/css" href="../css/input2.css" />
    <link rel="stylesheet" type="text/css" href="../css/console.css" />
    </head>
    <body>
    <h1>javaScript报错后是否会继续执行后面的代码</h1>
    </body>
    <script type="text/javascript">
    	function fn1() {
    		console.log(666); //666
    		//故意让程序报错，主要是为了测试后面的代码是否会继续执行
    		console.log(a); 
    	}
    	
    	fn1();
    	
    	
    	function fn2() {
    		console.log(888);
    	}
    	//因为上面的fn1()函数报错了，所以fn2()函数不会再继续执行了
    	fn2();
    </script>
    
    <script type="text/javascript">
    	function fn3() {
    		console.log(999); //999
    	}
    	//尽管上面的fn1()函数报错了，但是fn3()函数还是会继续执行
    	fn3();
    </script>
    
    <script type="text/javascript">
    	function fn4() {
    		console.log(123); //123
    	}
    	
    	//尽管上面的fn1()函数报错了，但是fn4()函数还是会继续执行
    	fn4();
    	
    </script>
    </html>

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2N6aDUwMA_size_16_color_FFFFFF_t_70 2]: /images/20230208/ef8c4e46e8014cc99f855b6244d464ef.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2N6aDUwMA_size_16_color_FFFFFF_t_70 3]: /images/20230208/964228039b8f428d87c5dcd82ba86bc8.png