这个是什么问题？找了好久没找到
square.js:1 Uncaught RangeError: Maximum call stack size exceeded
at Square3.Square (square.js:1)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
at Square3.Square (square.js:2)
