substr (JavaScript)

Gets a substring.

Defined in

Syntax

substr(start:int) : string

substr(start:int, length:int) : string

Parameters	Description
`start`	The beginning index, inclusive, where 0 is the first index in the string.
`length`	The number of characters in the substring.

Return value	Description
`string`	The substring.

Usage

This method gets characters starting at the index specified by parameter 1.

Examples

(1) The following example prints <<<Moscow Tokyo>>> (index 8 to the end).

function p(stuff) {
 	print("<<<" + stuff + ">>>");
}

var cities : String;
var ss : string;

try {
	cities = new String("Paris   Moscow   Tokyo");
	ss = cities.substr(8);
	p(ss);
	
} catch(e) {
	p("Error = " + e);
}

(2) The following example prints <<<Moscow>>> (index 8 to index 13, inclusive) from the string.

function p(stuff) {
 	print("<<<" + stuff + ">>>");
}

var cities : String;
var ss : string;

try {
	cities = new String("Paris   Moscow   Tokyo");
	ss = cities.substr(8, 6);
	p(ss);
	
} catch(e) {
	p("Error = " + e);
}