你即將離開本站

並前往https://softwareengineering.stackexchange.com/questions/300252/is-isnan-a-bad-design-or-a-has-to-be-design-with-tradeoffs

Is `isNaN`' a bad design or a has-to-be design with tradeoffs?

To make matters more confusing, undefined is also treated as NaN by Javascript, so when the value can not be converted to a number, it is considered NaN .

確定！ 回上一頁

查詢 「JavaScript isNaN」的人也找了：

  1. javascript isnan用法
    2.
  2. JavaScript isNaN
    3.
  3. JavaScript - IsNumeric
    4.
  4. JavaScript isNumber
    5.
  5. javascript判斷數字
    6.
  6. JavaScript is Number
    7.
  7. js nan判断
    8.
  8. Python isnan
    9.