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console 命令行工具 X clear 

                    

                        
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console

            
let productions = [{
  "children": [{
    "children": [{
      "label": "55Q1R",
      "value": "55Q1R"
    }],
    	"label": "ZLM50HiS",
    	"value": "ZLM50HiS"
  }],
  "label": "5327",
  "value": "5327"
}, {
  "children": [{
    "label": "ZLM60HiS2",
    "value": "ZLM60HiS2"
  }],
  	"label": "5508",
  	"value": "5508"
}];

function selectArr(arr,selected = [],result=[]){
  arr.forEach(item=>{
    if(item.value){
      result.push([...selected,item.value].join('/'))
    }
    if(item.children){
      selectArr(item.children,[...selected,item.value],result)
    }
  })
  return result
}
document.getElementById('tt').append(selectArr(productions))

            
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Document</title>
</head>
<body>
  <div id="tt">
  </div>
</body>
</html>