isUndefined

webix.isUndefined(a)

webix.isUndefined helper.

Please look into the linked official documentation.

Referenced by

helpers

editors, history, html, addMeta(), proto(), toPDF(), dateFilter, views().

components

Canvas(), DataProcessor(), DataValue().

mixins

ActiveContent(), CopyPaste(), DataStore(), EditAbility(), HTMLOptions(), MouseEvents(), ProgressBar(), TablePaste(), Touch(), TreeTablePaste(), Values().

views

accordion(), baselayout(), button(), calendar(), colorpicker(), combo(), datatable(), datepicker(), richselect(), suggest(), text(), uploader(), view(), vscroll().

External references

Official documentation page.

Code

webix.isUndefined=function(a){
    return typeof a == "undefined";
};
//delay call to after-render time