VK API: Parse json Args to array.

gistfile1.js

/**
 * For check: https://vk.com/dev/execute
*/


// var itemList = Args.list;
// var listSeparator = Args.listSeparator;
// var asInteger = Args.asInteger;

var itemList = "123456,789012,345678,901234,567890";
var listSeparator = ",";
var asInteger = 1;

var result = [];
var charsLength = itemList.length;

var currentPosition = 0;
var previousSeparatorPosition = -1;
var item;

while (currentPosition < charsLength) {
	if (itemList.substr(currentPosition, 1) == listSeparator) {
	    item = itemList.substr(previousSeparatorPosition + 1, currentPosition - previousSeparatorPosition - 1);
		if (asInteger == 1)
		    item = parseInt(item);    
		result.push(item);
		previousSeparatorPosition = currentPosition;
	}
	currentPosition = currentPosition + 1;
}

if (previousSeparatorPosition < currentPosition) {
    item = itemList.substr(previousSeparatorPosition + 1, currentPosition - previousSeparatorPosition - 1);
	if (asInteger == 1)
	    item = parseInt(item);
	result.push(item);
}

return result;

if (previousSeparatorPosition < currentPosition)
    result.push(Args.list.substr(previousSeparatorPosition + 1, currentPosition - previousSeparatorPosition - 1));


return result;