移动端iOS中input聚焦不灵敏

FastClick.attach(document.body);
FastClick.prototype.focus = function (targetElement) {
  let length;
  if (targetElement.setSelectionRange && targetElement.type.indexOf(‘date‘) !== 0 && targetElement.type !== ‘time‘ && targetElement.type !== ‘month‘) {
    length = targetElement.value.length;
    targetElement.focus();
    targetElement.setSelectionRange(length, length);
  } else {
    targetElement.focus();
  }
}