in salesforce/canvas/public/javascripts/canvas-all.js [146:162]
indexOf: function (array, item) {
var nativ = aproto.indexOf,
i,
l;
if (!array) {
return -1;
}
if (nativ && array.indexOf === nativ) {
return array.indexOf(item);
}
for (i = 0, l = array.length; i < l; i += 1) {
if (array[i] === item) {
return i;
}
}
return -1;
},