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 <3277200+sentsim@users.noreply.github.com>
Date: Mon, 3 Jul 2023 18:29:19 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20form=20=E5=9C=A8=20IE=20?=
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---
 src/modules/form.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/modules/form.js b/src/modules/form.js
index 574b78ed..44e7e8bf 100644
--- a/src/modules/form.js
+++ b/src/modules/form.js
@@ -296,7 +296,8 @@ layui.define(['lay', 'layer', 'util'], function(exports){
 
                 // 小数点后保留位数
                 var fixed = function(step){
-                  return (step.match(/(?<=\.)[\d]+$/) || [''])[0].length;
+                  var decimals = (step.match(/\.(\d+$)/) || [])[1] || '';
+                  return decimals.length;
                 }(step.toString());
                 if(fixed) value = value.toFixed(fixed);