Definition and Usage
定义与用法

The concat() method is used to join two or more strings.
concat()方法可用来将两个或两个以上的字符串组合到一起

Syntax
举例

stringObject.concat(stringX,stringX,...,stringX)

Example
举例

In the following example we will create two strings and show them as one using concat():
下面我们将使用concat()方法将两个字符串组合到一起：

<script type="text/javascript">

var str1="Hello "
var str2="world!"
document.write(str1.concat(str2))

</script>

The output of the code above will be:
输出结果为：

Hello world!

Try-It-Yourself Demos
尝试与演示

concat()
How to use concat() to join two strings.
如何concat()方法来将两个或两个以上的字符串组合到一起

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