참조 : http://www.w3schools.com/js/js_obj_string.asp

String 객체의 모든 메소드

Method Description FF N IE
anchor() Creates an HTML anchor 1 2 3
big() Displays a string in a big font 1 2 3
blink() Displays a blinking string 1 2  
bold() Displays a string in bold 1 2 3
charAt() Returns the character at a specified position 1 2 3
charCodeAt() Returns the Unicode of the character at a specified
position		 1 4 4
concat() Joins two or more strings 1 4 4
fixed() Displays a string as teletype text 1 2 3
fontcolor() Displays a string in a specified color 1 2 3
fontsize() Displays a string in a specified size 1 2 3
fromCharCode() Takes the specified Unicode values and returns a string 1 4 4
indexOf() Returns the position of the first occurrence of a specified
string value in a string		 1 2 3
italics() Displays a string in italic 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		 1 2 3
link() Displays a string as a hyperlink 1 2 3
match() Searches for a specified value in a string 1 4 4
replace() Replaces some characters with some other characters in a
string		 1 4 4
search() Searches a string for a specified value 1 4 4
slice() Extracts a part of a string and returns the extracted part
in a new string		 1 4 4
small() Displays a string in a small font 1 2 3
split() Splits a string into an array of strings 1 4 4
strike() Displays a string with a strikethrough 1 2 3
sub() Displays a string as subscript 1 2 3
substr() Extracts a specified number of characters in a string, from
a start index		 1 4 4
substring() Extracts the characters in a string between two specified
indices		 1 2 3
sup() Displays a string as superscript 1 2 3
toLowerCase() Displays a string in lowercase letters 1 2 3
toUpperCase() Displays a string in uppercase letters 1 2 3
toSource() Represents the source code of an object 1 4 -
valueOf() Returns the primitive value of a String object 1 2 4


String 객체의 모든 속성들

Property Description FF N IE
constructor A reference to the function that created the object 1 4 4
length Returns the number of characters in a string 1 2 3
prototype Allows you to add properties and methods to the object 1 2 4

예제

<html>
<body>

<script type="text/javascript">

var str="Visit Microsoft!"
document.write(str.replace(/Microsoft/,"W3Schools"))

</script>
</body>
</html>
결과
Visit W3Schools!