String In JavaScript
A JavaScript string simply stores a series of characters like "prasun".
Creating a String object
Syntax :
var val = new String(string);
String Properties:
Property |
Description |
constructor |
Returns a reference to the String function |
length |
Returns the length of the string. |
prototype |
The prototype property allows you to add properties and methods to an object. |
String Methods :
Property |
Description |
indexOf() |
Returns the index within the calling String object of the first occurrence of the specified value |
concat() |
Combines the text of two strings and returns a new string. |
charAt() |
Returns the character at the specified index. |
charCodeAt() |
Returns a number indicating the Unicode value |
match() |
match a regular expression against a string. |
replace() |
Searches a string for a value and returns a new string with the value replaced |
localeCompare() |
Compares two strings in the current locale
|
slice() |
Extracts a section of a string and returns a new string. |
substring() |
Returns the characters in a string between two indexes into the string. |
toString() |
Returns a string representing the specified object. |
toLowerCase() |
Returns the calling string value converted to lower case. |
toUpperCase() |
Returns the calling string value converted to uppercase. |
valueOf() |
Returns the primitive value of a String object |
split() |
Splits a string into an array of substrings |
String HTML wrappers :
Method |
Description |
blink() |
Creates a string to blink as if it were in a <blink> tag. |
bold() |
Creates a string to be displayed as bold as if it were in a <b> tag. |
anchor() |
Creates an HTML anchor that is used as a hypertext target.
|
fontcolor() |
Causes a string to be displayed in the specified color as if it were in a <font color="color"> tag. |
fixed() |
Causes a string to be displayed in fixed-pitch font as if it were in a <tt> tag |
link() |
Creates an HTML hypertext link that requests another URL. |
sub() |
Causes a string to be displayed as a subscript, as if it were in a <sub> tag |
sup() |
Causes a string to be displayed as a superscript, as if it were in a <sup> tag |