fixed ios iframe reload bug
fixed ios iframe reload bug

ThuyNTran/datawrapper,grepman/datawrapper,plusgut/datawrapper,qqming113/datawrapper,rubensfernando/datawrapper,grepman/datawrapper,kendrick-k/datawrapper,kendrick-k/datawrapper,ThuyNTran/datawrapper,kendrick-k/datawrapper,devinit/datawrapper,datafunk/datawrapper,datafunk/datawrapper,ThuyNTran/datawrapper,kendrick-k/datawrapper,kendrick-k/datawrapper,qqming113/datawrapper,qqming113/datawrapper,ThuyNTran/datawrapper,datafunk/datawrapper,datafunk/datawrapper,rubensfernando/datawrapper,plusgut/datawrapper,grepman/datawrapper,devinit/datawrapper,devinit/datawrapper,devinit/datawrapper,qqming113/datawrapper,devinit/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,rubensfernando/datawrapper,rubensfernando/datawrapper,ThuyNTran/datawrapper,devinit/datawrapper,ThuyNTran/datawrapper,grepman/datawrapper,rubensfernando/datawrapper,plusgut/datawrapper,datafunk/datawrapper,qqming113/datawrapper,plusgut/datawrapper,grepman/datawrapper,grepman/datawrapper,qqming113/datawrapper