删除数组中相匹配的元素

删除数组arr中isDefault属性为false的元素

arr = arr.filter(({ isDefault }) => isDefault !== false);

原数组arr：

[{"type": "selection","width": 60,"align": "center","fixed": "left",},{"title": "主机名","key": "hostname","minWidth": 120,"align": "center","isDefault": true,},{"title": "产品线","key": "product","minWidth": 120,"align": "center","isDefault": false,},{"title": "机房","key": "idc","minWidth": 120,"align": "center","isDefault": true,}{"title": "安装镜像","key": "os","minWidth": 120,"align": "center","isDefault": false,},{"title": "操作状态","key": "op_status","minWidth": 120,"align": "center","isDefault": false,},{"title": "操作","key": "details","minWidth": 120,"align": "center","isDefault": true,}
]

删除后：

[{"type": "selection","width": 60,"align": "center","fixed": "left",},{"title": "主机名","key": "hostname","minWidth": 120,"align": "center","isDefault": true,},{"title": "机房","key": "idc","minWidth": 120,"align": "center","isDefault": true,},{"title": "操作","key": "details","minWidth": 120,"align": "center","isDefault": true,}
]

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