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>
                })

Previous: How to realize the display of webp Picture form at the Front end

Next: How does vue render implement the v-for function using JSX?

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
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-64f5-1b383b7-2c104.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b383b7-2c104.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?