Searching arrays

[d.healey]

I think it's important to have the ability to search arrays, I couldn't find a function in HISE's implementation of JS to do this so I rolled my own indexOf function and attached it to the array type but I think a native solution would be better.

if (!Array.indexOf)
{
	Array.indexOf = function(obj, from, typeStrict)
	{
	    if (fromIndex == null)
	    {
	        fromIndex = 0;
	    }
	    else if (fromIndex < 0)
	    {
	        fromIndex = Math.max(0, this.length + fromIndex);
	    }

	  	for (var j = from; j < this.length; j++)
	    {
	    	if (typeStrict == true)
	    	{
				if (this[j] === obj) return j;
	    	}

	        if (this[j] == obj) return j;
	    }

	    return -1;
	};
}

HISE didn't like it when I used something like this for my for loop, although it is in the JavaScript tutorial

for (var j = from, len = this.length; j < len;  j++)

[Christoph Hart]

Thanks for spotting this. The problem is that by introducing the for … in loop, I accidentally broke support for multiple initialisers and fixing this is not trivial.

But I added a native indexOf() method. While I was at it, I also added a clean Array.isArray() method...

[d.healey]

you're the man!