use below method to clear client side people picker control
clearPeoplePicker("ppowner");
function clearPeoplePicker(pickerId)
{
var toSpanKey = pickerId+"_TopSpan";
var peoplePicker = null;
// Get the people picker object from the page.
var ClientPickerDict = this.SPClientPeoplePicker.SPClientPeoplePickerDict;
// Get the people picker object from the page.
for (var propertyName in ClientPickerDict) {
if (propertyName == toSpanKey) {
peoplePicker = ClientPickerDict[propertyName];
break;
}
}
if (peoplePicker)
{
var ResolvedUsersList = $(document.getElementById(peoplePicker.ResolvedListElementId)).find("span[class='sp-peoplepicker-userSpan']");
$(ResolvedUsersList).each(function (index) {
peoplePicker.DeleteProcessedUser(this);
});
}
}
clearPeoplePicker("ppowner");
function clearPeoplePicker(pickerId)
{
var toSpanKey = pickerId+"_TopSpan";
var peoplePicker = null;
// Get the people picker object from the page.
var ClientPickerDict = this.SPClientPeoplePicker.SPClientPeoplePickerDict;
// Get the people picker object from the page.
for (var propertyName in ClientPickerDict) {
if (propertyName == toSpanKey) {
peoplePicker = ClientPickerDict[propertyName];
break;
}
}
if (peoplePicker)
{
var ResolvedUsersList = $(document.getElementById(peoplePicker.ResolvedListElementId)).find("span[class='sp-peoplepicker-userSpan']");
$(ResolvedUsersList).each(function (index) {
peoplePicker.DeleteProcessedUser(this);
});
}
}