argsIgnorePattern

argsIgnorePattern 选项指定不检查用法的异常：名称与正则表达式模式匹配的参数。例如，名称以下划线开头的变量。

The argsIgnorePattern option specifies exceptions not to check for usage: arguments whose names match a regexp pattern. For example, variables whose names begin with an underscore.

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/*eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }]*/

function foo(x, _y) {
    return x + 1;
}
foo();