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ovilia pushed a commit to branch fix-dataZoom
in repository https://gitbox.apache.org/repos/asf/echarts.git

commit 4cccafb96b2a1b04df7785da808a5f6f30c548df
Author: Ovilia <[email protected]>
AuthorDate: Thu Jun 19 19:46:09 2025 +0800

    fix(dataZoom): fix the case when first value is NaN, relates to #16978
---
 src/component/dataZoom/SliderZoomView.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/component/dataZoom/SliderZoomView.ts 
b/src/component/dataZoom/SliderZoomView.ts
index b460ffee7..332feaccf 100644
--- a/src/component/dataZoom/SliderZoomView.ts
+++ b/src/component/dataZoom/SliderZoomView.ts
@@ -430,8 +430,10 @@ class SliderZoomView extends DataZoomView {
                     linePoints.push([thisCoord, 0]);
                 }
 
-                areaPoints.push([thisCoord, otherCoord]);
-                linePoints.push([thisCoord, otherCoord]);
+                if (!isEmpty) {
+                    areaPoints.push([thisCoord, otherCoord]);
+                    linePoints.push([thisCoord, otherCoord]);
+                }
 
                 lastIsEmpty = isEmpty;
             });


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