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JS字符串对象参考 
String Object Methods
字符串对象方法
FF: Firefox, N: Netscape, IE: Internet Explorer
FF:火狐，N:网景，IE
| Method 方法 |
Description 描述 |
FF | N | IE |
|---|---|---|---|---|
| anchor() | Creates an HTML anchor 建立一个HTML锚记 |
1 | 2 | 3 |
| big() | Displays a string in a big font 显示大一号的字符串 |
1 | 2 | 3 |
| blink() | Displays a blinking string 显示闪烁的字符串 |
1 | 2 | |
| bold() | Displays a string in bold 显示粗体字符串 |
1 | 2 | 3 |
| charAt() | Returns the character at a specified position 显示指定位置的字符 |
1 | 2 | 3 |
| charCodeAt() | Returns the Unicode of the character at a specified position 返回指定位置字符的Unicode |
1 | 4 | 4 |
| concat() | Joins two or more strings 接合两条或多条字符串 |
1 | 4 | 4 |
| fixed() | Displays a string as teletype text 电报形式来显示文字 |
1 | 2 | 3 |
| fontcolor() | Displays a string in a specified color 执行显示字符串的颜色 |
1 | 2 | 3 |
| fontsize() | Displays a string in a specified size 指定显示字符串的大小 |
1 | 2 | 3 |
| fromCharCode() | Takes the specified Unicode values and returns a string 获取指定的Unicode值并返回字符串 |
1 | 4 | 4 |
| indexOf() | Returns the position of the first occurrence of a specified string value in a string 返回字符串中第一个出现指定字符串的位置 |
1 | 2 | 3 |
| italics() | Displays a string in italic 用斜体显示字符串 |
1 | 2 | 3 |
| lastIndexOf() | Returns the position of the last occurrence of a specified string value, searching backwards from the specified position in a string 返回字符串中最后个出现指定字符串的位置，搜索方向是向后的。 |
1 | 2 | 3 |
| link() | Displays a string as a hyperlink 字符串以超级链接的形式显示 |
1 | 2 | 3 |
| match() | Searches for a specified value in a string 在字符串中查找指定值 |
1 | 4 | 4 |
| replace() | Replaces some characters with some other characters in a string 将字符串中的某些字符替换成其它字符 |
1 | 4 | 4 |
| search() | Searches a string for a specified value 针对某执行值对字符串进行查找 |
1 | 4 | 4 |
| slice() | Extracts a part of a string and returns the extracted part in a new string 将部分字符抽出并在新的字符串中返回剩余部分 |
1 | 4 | 4 |
| small() | Displays a string in a small font 显示小一号的字符串 |
1 | 2 | 3 |
| split() | Splits a string into an array of strings 将字符串分配为数组 |
1 | 4 | 4 |
| strike() | Displays a string with a strikethrough 字符串以删除的形式显示 |
1 | 2 | 3 |
| sub() | Displays a string as subscript 字符串显示成下标 |
1 | 2 | 3 |
| substr() | Extracts a specified number of characters in a string, from a start index 从字符串头部开始抽取指定数字的字符串 |
1 | 4 | 4 |
| substring() | Extracts the characters in a string between two specified indices 抽取字符串中指定数字符，并返回剩下的 |
1 | 2 | 3 |
| sup() | Displays a string as superscript 上标字符串 |
1 | 2 | 3 |
| toLowerCase() | Displays a string in lowercase letters 小写字符串 |
1 | 2 | 3 |
| toUpperCase() | Displays a string in uppercase letters 大写字符串 |
1 | 2 | 3 |
| toSource() | Represents the source code of an object 显示对象的源代码 |
1 | 4 | - |
| valueOf() | Returns the primitive value of a String object 返回字符串对象的原始值 |
1 | 2 | 4 |
String Object Properties
字符串对象属性
| Property 属性 |
Description 描述 |
FF | N | IE |
|---|---|---|---|---|
| constructor | A reference to the function that created the object 所建立对象函数的参考 |
1 | 4 | 4 |
| length | Returns the number of characters in a string 返回字符串的字符长度 |
1 | 2 | 3 |
| prototype | Allows you to add properties and methods to the object 对象可加入的对象和方法 |
1 | 2 | 4 |
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