JS -- realize click Copy function

Select the copy

<template>
    <el-button type="primary" plain @click="onCopy"> Copy </el-button>
</template>

<script>
export default {
  methods:{
    onCopy(){
        document.execCommand("Copy"); //  Execute browser copy command 
        this.$message({
          message: ' Replication success ',
          type: 'success'
        });
      }
  }
}
</script>

Click replication

<template>
    <el-button type="primary" plain @click="onCopy"> Copy </el-button>
</template>

<script>
export default {
  methods:{
    onCopy(){
       const url = ' I am the content to be copied '
      let oInput = document.createElement('input')
      oInput.value = url
      document.body.appendChild(oInput)
      oInput.select() //  Select object ;
      document.execCommand('Copy') //  Execute browser copy command 
      this.$message({
        message: ' Replication success ',
        type: 'success'
      })
      oInput.remove()
  }
}
</script>