Commit 6975c481 authored by qingwei.li's avatar qingwei.li

Fix table 'styleSheet' is undefined

parent 228fee1e
...@@ -196,6 +196,7 @@ ...@@ -196,6 +196,7 @@
if (this.styleNode) { if (this.styleNode) {
let styleSheet = this.styleNode.sheet; let styleSheet = this.styleNode.sheet;
if (!styleSheet) return;
for (let i = 0, j = styleSheet.cssRules.length; i < j; i++) { for (let i = 0, j = styleSheet.cssRules.length; i < j; i++) {
styleSheet.deleteRule(0); styleSheet.deleteRule(0);
} }
......
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