Method _defineIdxProperty

array.go:422–445

(idx uint32, desc PropertyDescriptor, throw bool)

}

func (a *arrayObject) _defineIdxProperty(idx uint32, desc PropertyDescriptor, throw bool) bool {
	var existing Value
	if idx < uint32(len(a.values)) {
		existing = a.values[idx]
	}
	prop, ok := a.baseObject._defineOwnProperty(unistring.String(strconv.FormatUint(uint64(idx), 10)), existing, desc, throw)
	if ok {
		if idx >= a.length {
			if !a.setLengthInt(idx+1, throw) {
				return false
			}
		}
		if a.expand(idx) {
			a.values[idx] = prop
			a.objCount++
			if _, ok := prop.(*valueProperty); ok {
				a.propValueCount++
			}
		} else {
			a.val.self.(*sparseArrayObject).add(idx, prop)
		}
	}
	return ok
}

func (a *arrayObject) defineOwnPropertyStr(name unistring.String, descr PropertyDescriptor, throw bool) bool {
	if idx := strToArrayIdx(name); idx != math.MaxUint32 {