题解 | #数据类型转换#
数据类型转换
https://www.nowcoder.com/practice/c1c8e834742c4d90b69caf19fc18a92d
{"html":"<!DOCTYPE html>\n<html>\n\n<head>\n <meta charset=\"UTF-8\">\n <style>\n /* 填写样式 */\n </style>\n</head>\n\n<body>\n <!-- 填写标签 -->\n <script type=\"text/javascript\">\n // 填写JavaScript\n function _splice(left,right) {\n return left.toString()+right.toString();\n \n \n}\n </script>\n</body>\n\n</html>","css":"","js":""}
实现字符串拼接
1. `${}` vue.js中的实现变量和字符串的拼接 用法: return `${left}${right}`;
2. String() 用法：return String(left)+String(right); return left+String(right);
3. toString() return left.toString()+right.toString();
4. 字符串拼接 return left+''+right;
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