HTML appearing in input rather then the placeholder.

[lukealford]

Love what you have done and works great, I'm just having a small problem with one or two input's that seem to be adding HTML inside the input while using IE10.

• IE10 HTML code is visible in First Name and Last Name fields (step 2 of
  the donation form)
  https://greens.org.au/civicrm/contribute/transact?reset=1&id=298&action=.

[jamesallardice]

It doesn't look like you're actually using this polyfill on that page. There's a lot of code on there to read through but searching for placeholder in one of those massive JS files reveals the following:

var settings = {
      tooltip   : 'Click to edit...',
      placeholder  : '<span class="crm-editable-placeholder">Click to edit</span>',
      data: function(value, settings) {
        return value.replace(/<(?:.|\n)*?>/gm, '');
      }
};
if ($i.data('placeholder')) {
      settings.placeholder = $i.data('placeholder');
} else {
      settings.placeholder  = '<span class="crm-editable-placeholder">Click to edit</span>';
}

That looks to me like you're intentionally adding HTML to the placeholders. But as I said, there's a lot of code in there so I may be missing something. I'm closing this issue for now, but can reopen if you can add more detail.