Fix variable name error on developer api documentation for

Jonathan Quach · Jonathan Quach · commit fc00199dcdee · 2018-01-22T17:23:31.000+01:00
diff --git a/docs/developers/api.md b/docs/developers/api.md
@@ -135,8 +135,8 @@ function clickHandler(evt) {
     var item = myChart.getElementAtEvent(evt)[0];
 
     if (item) {
-        var label = myChart.data.labels[firstPoint._index];
-        var value = myChart.data.datasets[firstPoint._datasetIndex].data[firstPoint._index];
+        var label = myChart.data.labels[item._index];
+        var value = myChart.data.datasets[item._datasetIndex].data[item._index];
     }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -135,8 +135,8 @@ function clickHandler(evt) {`
`135`	`135`	`var item = myChart.getElementAtEvent(evt)[0];`
`136`	`136`
`137`	`137`	`if (item) {`
`138`		`- var label = myChart.data.labels[firstPoint._index];`
`139`		`- var value = myChart.data.datasets[firstPoint._datasetIndex].data[firstPoint._index];`
	`138`	`+ var label = myChart.data.labels[item._index];`
	`139`	`+ var value = myChart.data.datasets[item._datasetIndex].data[item._index];`
`140`	`140`	`}`
`141`	`141`	`}`
`142`	`142`	```