WebKit2.WebView.prototype.get_estimated_load_progress

function get_estimated_load_progress(): Number(gdouble) {
    // Gjs wrapper for webkit_web_view_get_estimated_load_progress()
}

Gets the value of the WebKit2.WebView.estimated_load_progress property. You can monitor the estimated progress of a load operation by connecting to the notify::estimated-load-progress signal of web_view.

Returns: an estimate of the of the percent complete for a document load as a range from 0.0 to 1.0.