[CLOSED] 4.8 (latest) break internet explorer

[Z]

endsWith is not a supported function in old IE. can you fix this please?
Zev.

updateIndicator: function () {
        var hideEl,
            parentToIndicator,
            parentIsIndicator;


        if (!this.indicatorEl) {
            return;
        }


        if (!this.isIndicatorWasUpdated) {
            this.isIndicatorWasUpdated = true;
        }


        var errorSide = this.msgTarget == "side" && this.hasActiveError(),
            isTopNote = this.noteAlign == "top",
            hideIndicator,
            w,
            h;


        if (isTopNote) {
            h = this.noteEl.getHeight();


            if (this.labelAlign !== "top") {
                this.labelEl.setStyle("padding-top", (h + 4) + "px");
            }


            this.indicatorEl.setStyle("top", h + "px");


            if (this.errorEl && this.msgTarget == "side") {
                this.errorEl.parent().setStyle("padding-top", h + "px");
            }
        }


        parentToIndicator = this.indicatorEl.parent();
        parentIsIndicator = parentToIndicator.id !== undefined && parentToIndicator.id.endsWith('-indicator');