Kifaa cha kubadilika kwa kina cha WMLScript

Kifaa cha kubadilika kwa kina kilichotumika kwa kubadilika kwa kina kina

Makadara

n = String.subString(string, start, length)
Hisia Muhtasari
n Mawasiliano ya kina ya kuelewa kwa kifaa
string Mawasiliano ya kina
start Nafasi ya kuanza
length Inaangalia ukurasa wa matokeo wa kina

Mivuno

var a = String.subString("world",2,2);
var b = String.subString("world",0,5);
var c = String.subString("world",-2,3);
var d = String.subString("world",2,10);
var e = String.subString("world",10,10);

Matokeo

a = "rl"
b = "world"
c = "wor"
d = "rld"
e = ""