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no-compare-neg-zero

docs/src/rules/no-compare-neg-zero.md

10.3.0719 B
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Rule Details

The rule should warn against code that tries to compare against -0, since that will not work as intended. That is, code like x === -0 will pass for both +0 and -0. The author probably intended Object.is(x, -0).

Examples of incorrect code for this rule:

::: incorrect

js
/* eslint no-compare-neg-zero: "error" */

if (x === -0) {
    // doSomething()...
}

:::

Examples of correct code for this rule:

::: correct

js
/* eslint no-compare-neg-zero: "error" */

if (x === 0) {
    // doSomething()...
}

:::

::: correct

js
/* eslint no-compare-neg-zero: "error" */

if (Object.is(x, -0)) {
    // doSomething()...
}

:::

Options

This rule has no options.