Accepted answer

You need to Update your chart.

  1. You can do a simple chart update which updates the chart information (Chart Update API)

        title: {
           text: 'new text'

    JS fiddle of Update Charts in action.

  2. You can do a series update which updates the chart data itself. (Series Update API)

    // if data is in json format, convert it to an array
        data: [...]  //pass your new data here

    JS Fiddle for Series Update.

Ref: JS Fiddle Ref

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