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JS string splicing

2022-07-04 05:17:00 【Big bug of xiaofeichan】

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <script>
       //1. Detect the length of the obtained string  length
        var str = 'my name is yangy';
        console.log(str.length);
        //2. String splicing 
        console.log(' Sheep and sheep ' + ' silly ');// Yang Yang is so stupid 
        console.log(' Sheep and sheep ' + 18);// Sheep and sheep 18
        console.log(12 + 12);//24
        console.log('12' + '12');//1212
    </script>
</head>
<body>

</body>
</html>

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https://yzsam.com/2022/02/202202141648423377.html