Cocos js error this.x.toFixed

Cocos js error this.x.toFixed
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#1

I have many count of this error in my cocos js game.

error message--- Uncaught TypeError: this.x.toFixed is not a function stack trace--- [0]164.l.toString@src/jsb_polyfill.js:18571
[1]t@src/jsb_polyfill.js:3
[2]anonymous@src/jsb_polyfill.js:14784
[3]131.u._destruct@src/jsb_polyfill.js:14818
[4]131.u._destroyImmediate@src/jsb_polyfill.js:14827
[5]_onPreDestroy@src/jsb_polyfill.js:17019
[6]_onPreDestroy@src/jsb_polyfill.js:1751
[7]131.u._destroyImmediate@src/jsb_polyfill.js:14826
[8]_onPreDestroy@src/jsb_polyfill.js:17017
[9]_onPreDestroy@src/jsb_polyfill.js:1751
[10]131.u._destroyImmediate@src/jsb_polyfill.js:14826
[11]_onPreDestroy@src/jsb_polyfill.js:17017
[12]_onPreDestroy@src/jsb_polyfill.js:1751
[13]131.u._destroyImmediate@src/jsb_polyfill.js:14826
[14]_onPreDestroy@src/jsb_polyfill.js:17017
[15]_onPreDestroy@src/jsb_polyfill.js:1751
[16]131.u._destroyImmediate@src/jsb_polyfill.js:14826
[17]_onPreDestroy@src/jsb_polyfill.js:17017
[18]_onPreDestroy@src/jsb_polyfill.js:1751
[19]131.u._destroyImmediate@src/jsb_polyfill.js:14826

How can I fix this error.


Cocos Creator v1.9.3 released
#2

post some code to understand better, .toFixed is associated with Number in Js.


#3

As you can see at stack trace, I cannot find out at where the error occurred.
It is only in the jsb_polyfill.js