substr (JavaScript)

Gets a substring.

Defined in

String (Standard - JavaScript)

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);
}