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54d6cb33 · doszhang · 53bd51d1 · 54d6cb33
Commit 54d6cb33 authored Jan 15, 2020 by doszhang
Hide whitespace changes
Inline Side-by-side

Showing with 8 additions and 1 deletions

Public/static/js/common.js
+8 -1

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--- a/Public/static/js/common.js
+++ b/Public/static/js/common.js
@@ -174,7 +174,14 @@ function ruleScroll() {
        let step = (39 * fontSize) / (scrollHeight * fontSize);

        let scrollTop = $('.rule-block').scrollTop();
-        $('.scroll-bar').css('top', (7.9 * fontSize) + scrollTop * step + 'px');
+
+        let top = (7.9 * fontSize) + scrollTop * step;
+        if (top < (7.9 * fontSize)) {
+            top = 7.9 * fontSize;
+        } else if (top > (46.9 * fontSize)) {
+            top = 46 * fontSize;
+        }
+        $('.scroll-bar').css('top', top + 'px');
    }, 5);

 }