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The String object is used to manipulate a stored piece of text.
字符串对象被用来操作存储的文字片段
Return the length of a string
How to use the length property to find the length of a string.
怎样使用length(长度)属性来得出一串字符的长度
Style strings
How to style strings.
样式化字符串
The indexOf() method
How to use the indexOf() method to return the position of the first occurrence of a specified string value in a string.
怎样使用indexOf()方法来返回第一次出现一指定字符串的位置数。
The match() method
How to use the match() method to search for a specified string value within a string and return the string value if found
怎样使用match()方法寻找一指定的字符串值如果找到的话就返回其值(没的有话就返回NULL)
Replace characters in a string - replace()
How to use the replace() method to replace some characters with some other characters in a string.
怎样使用replace()方法来用一些其他字符替换字符串中的一些字符
Tip: You will find a lot more examples in the String object reference - look at the bottom of this page!
提示:你将在String object reference(字符串对象参考)找到更多的例子!
The String object is used to manipulate a stored piece of text.
用来操作被存储的文字片段
Examples of use:
使用实例:
The following example uses the length property of the String object to find the length of a string:
下面的例子使用了长度属性来找出字符串的长度:
var txt="Hello world!" |
The code above will result in the following output:
上面的代码的结果为下:
12 |
The following example uses the toUpperCase() method of the String object to convert a string to uppercase letters:
下面的例子使用了toUpperCase()方法来让字符串对象的内容转换为大写字母:
var txt="Hello world!" |
The code above will result in the following output:
上面的代码将有下面的结果:
HELLO WORLD! |
For a complete reference of all the properties and methods that can be used with the String object, go to our complete String object reference.
查看完整的字符串对象参考
The reference contains a brief description and examples of use for each property and method!
参考里有怎样使用属性和方法的举例和描述