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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- var a = 666;
- var c = 777;
- var h = 'true';
- var b = false;
- console.log(a)//666
- console.log(b)//false
- console.log(typeof b)//boolean
- b = '123';
- c = '666';
- console.log(b)//'123'
- console.log(c)//'666'
- console.log(typeof b)//string string boolean
- console.log(typeof a)//number
- </script>
- </body>
- </html>
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