diff --git a/web/compatibility.js b/web/compatibility.js index 7d1d72553..e4e2f2440 100644 --- a/web/compatibility.js +++ b/web/compatibility.js @@ -205,3 +205,15 @@ }); })(); +// HTMLElement dataset property +(function checkDatasetProperty() { + var div = document.createElement('div'); + if ('dataset' in div) + return; // dataset property exists + Object.defineProperty(HTMLElement.prototype, 'dataset', { + get: function htmlElementDatasetGetter() { + // adding dataset field to the actual object + return (this.dataset = {}); + } + }); +})();