[leftPos, topPos] = this.getAreaOffset(elem, leftPos, topPos);
hint.span.setAttribute("style", ["display: none; left:", leftPos, "px; top:", topPos, "px"].join(""));
[leftPos, topPos] = this.getAreaOffset(elem, leftPos, topPos);
hint.span.setAttribute("style", ["display: none; left:", leftPos, "px; top:", topPos, "px"].join(""));