When using bitmapfont in taobao-minigame, the game becomes unresponsive.

[zhefengzhang]

Cocos Creator version

2.4.12

System information

windows10

Issue description

Relevant error log output

No response

Steps to reproduce

Continuous rapid clicking of the button

Minimal reproduction project

demo.zip

[zhefengzhang]

因为淘宝真机运行的 JS 虚拟机是 quickjs 的定制版，模拟器是 v8，所以在对数据类型对象进行处理时会有一些差异。此问题是因为淘宝真机上执行下面这种代码时会报错，而在淘宝模拟器上不会。

var a = new Unit16Array(2);
a[2] = 0;

目前可以修改 assembler-2d.js 中的代码暂时解决此问题。