IchigoLatte JS で文字列から文字を切り出す方法

IchigoJamのJavaScript版 IchigoLatte 、文字列から文字を取り出す方法は以下。

var s="xyz";
var c=mem(s+1);
log( chr(c) ); // 'x'

2文字目が欲しい場合は mem(s+2) 。









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