【问题标题】:Get values ​and keys less than 30获取小于 30 的值和键
【发布时间】:2021-08-02 04:06:33
【问题描述】:

当值小于三十天时,我正在尝试从列表中获取值?

var list = 
[
    [ '*.cervepar.com.py', 45 ],
    [ '*.fnc.com.uy', 44 ],
    [ '*.btg360.com.br', 369 ],
    [ '*.reservapto.com.br', 361 ],
    [ '*.koerich.com.br', 550 ],
    [ '*.compasso.com.br', 162 ],
    [ '*.compasso.com.br', 162 ],
    [ '*.cbn.com.bo', 21 ],
    [ '*.compassouol.com', 203 ],
    [ '*.cerchile.cl', 443 ],
    [ '*.compasso.com.br', 162 ]
]

【问题讨论】:

  • 你试过.filter吗?

标签: javascript node.js arrays list


【解决方案1】:

你可以像这样使用.filter

var list = 
[
    [ '*.cervepar.com.py', 45 ],
    [ '*.fnc.com.uy', 44 ],
    [ '*.btg360.com.br', 369 ],
    [ '*.reservapto.com.br', 361 ],
    [ '*.koerich.com.br', 550 ],
    [ '*.compasso.com.br', 162 ],
    [ '*.compasso.com.br', 162 ],
    [ '*.cbn.com.bo', 21 ],
    [ '*.compassouol.com', 203 ],
    [ '*.cerchile.cl', 443 ],
    [ '*.compasso.com.br', 162 ]
];

let filteredArr = list.filter(x => x[1] < 30);
console.log(filteredArr);

【讨论】:

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