Remove usage of experimental 'includes' function

Tor Arvid Lund

2015-06-01 403fdb1009e7cab01228da5b2e639862c2d5abd2

Remove usage of experimental 'includes' function

The string prototype function 'includes' is part of ES6 and does not work
in Firefox 38. This simple change seems to fix it.

 src/DateTimeField.jsx

@@ -97,8 +97,8 @@
    var target = e.target;
    if (target.className && !target.className.match(/disabled/g)) {
      var month;
      if(target.className.includes("new")) month = this.state.viewDate.month() + 1;
      else if(target.className.includes("old")) month = this.state.viewDate.month() - 1;
      if(target.className.indexOf("new") >= 0) month = this.state.viewDate.month() + 1;
      else if(target.className.indexOf("old") >= 0) month = this.state.viewDate.month() - 1;
      else month = this.state.viewDate.month();
      return this.setState({
        selectedDate: this.state.viewDate.clone().month(month).date(parseInt(e.target.innerHTML)).hour(this.state.selectedDate.hours()).minute(this.state.selectedDate.minutes())