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2 changes: 1 addition & 1 deletion 1-js/02-first-steps/18-javascript-specials/article.md
Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ JavaScript 支持以下运算符:
算数运算符
: 常规的:`+ - * /`(加减乘除),取余运算符 `%` 和幂运算符 `**`。

二进制加号 `+` 可以连接字符串。如果任何一个操作数是一个字符串,那么另一个操作数也将被转换为字符串:
二元运算符加号 `+` 可以连接字符串。如果任何一个操作数是一个字符串,那么另一个操作数也将被转换为字符串:

```js run
alert( '1' + 2 ); // '12',字符串
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