Custom Value Formatting: Difference between revisions

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=== API Callouts ===
=== API Callouts ===
You can use Function Expressions to do callouts, fetch data externally, load additional resources, use JavaScript Libraries such as [https://fullcalendar.io/ FullCalendar], [https://www.chartjs.org/ Chart.js], [https://datatables.net/ Datatables] and many more..<syntaxhighlight line="1">
You can use value formatters just like [[Custom Embedded JavaScript Functions|Function Expressions]] to connect to external systems<syntaxhighlight line="1">
var getJSON = function(url, callback) {
var getJSON = function(url, callback) {
     var xhr = new XMLHttpRequest();
     var xhr = new XMLHttpRequest();

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