useNumberToFixedDigitsArgument
诊断类别:lint/suspicious/useNumberToFixedDigitsArgument
¥Diagnostic Category: lint/suspicious/useNumberToFixedDigitsArgument
自从:v1.8.0
¥Since: v1.8.0
来源:
¥Sources:
强制使用带有 Number#toFixed()
的数字参数。
¥Enforce using the digits argument with Number#toFixed()
.
使用 Number#toFixed()
时,请明确指定你希望小数点后出现的数字位数,以避免出现意外结果,而不是依赖其默认值 0。
¥When using Number#toFixed()
explicitly specify the number of digits you want to appear after the decimal point,
to avoid unexpected results, rather than relying on its default value of 0.
¥Examples
¥Invalid
code-block.js:1:30 lint/suspicious/useNumberToFixedDigitsArgument FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━
⚠ Specify the number of digits you want to appear after the decimal point.
> 1 │ const string = number.toFixed();
│ ^^
2 │
ℹ Unsafe fix: Add explicit digits argument to toFixed method.
1 │ const·string·=·number.toFixed(0);
│ +
¥Valid
¥Caveats
此规则始终假设 toFixed
是在数字上调用的。它不检查被调用者的类型。
¥This rule always assumes that toFixed
is called on a number.
It does not check the type of the callee.
¥Related links