nl_tokens: Calls the postMessage () function on the <iframe > .
pl_tokens: function submitRequest ( params ) { <mask> ( 'sending API request to proxy <iframe> %o' , params ) ; // `formData` needs to be patched if it contains `File` objects to work around // a Chrome bug. See `patchFileObjects` description for more details. if ( params . formData ) { patchFileObjects ( params . formData ) ; } iframe . contentWindow . postMessage ( postStrings ? JSON . stringify ( params ) : params , proxyOrigin ) ; }