How does render implement loops in Iview table columns?

problem description

how do I loop an array object and output it with render in the Table component?

related codes 

<script>
    new Vue({
        el: "-sharpvue",
        data: {
            columns: [
                {
                    title: "key1",
                    key: "val1"
                },
                {
                    title: "",
                    key: "action",
                    render: (h, params) => {
                        return h("Button", {
                            props: {
                                type: "primary",
                                size: "small"
                            },
                            on: {
                                click: () => {
                                    ...
                                    ****
                                    ...
                                }
                            }
                        })
                    }
                },
            ]
        }
    })
</script>
Vue.js iview
Jan.14,2022 
let youArray = params.row
 yourArray.map(item => {
                    return <li>{item.name}</li>
                })

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e50cae-450dd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e50cae-450dd.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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