![]() ![]() ![]() To solve this issue, step through the server method that returns data and monitor the response in the browser dev toolbar to see what you get and ensure it is something like. save it by creating simple, customizable, easy to learn React.js UI components and React.js Admin Templates which significantly cut development time. The syntax of slice () method is the following: 1 let substr str. Uncaught TypeError: e.slice is not a function Solution The js string slice () method extracts a part of a string (substring) and returns a new string. In such cases, you get a single object or HTML instead of a serialized array. The possible cause for the e.slice is not a function error is that the server does not return an actual list of objects but empty data, an error response, or a single item. For more information on what information each widget expects, review the demo of the respective control. Widgets like the TreeView or the MultiSelect need only a simple array while the Grid needs an envelope with additional information such as total, errors, and aggregates. The error indicates that the response which is received from the remote data source is not an array while the widget expects a simple array for its data source. There are various differences between them which are listed in the table below. ![]() Download free 30-day trial An Error that e.slice Is Not a Function Occurs Environment ProductĪ warning that e.slice is not a function occurs. ![]()
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