What methods can be used to optimize for loops?

related codes 

// 
for (var i = 0,l = res.length; i < l; iPP) {
    if (res[i].intIsDel === 1) {
        res[i]["disabled"] = true res[i]["strName"] = res[i]["strName"] + " " + "()"
    }
    for (var j = 0; j < res[i].listThemeChildren.length; jPP) {
        if (res[i].listThemeChildren[j].intIsDel === 1) {
            res[i].listThemeChildren[j]["disabled"] = true res[i].listThemeChildren[j]["strName"] = res[i].listThemeChildren[j]["strName"] + " " + "()"
        }
        for (var r = 0; r < res[i].listThemeChildren.length; rPP) {
            if (res[i].listThemeChildren[j].listThemeChildren[r].intIsDel === 1) {
                res[i].listThemeChildren[j].listThemeChildren[r]["disabled"] = true res[i].listThemeChildren[j].listThemeChildren[r]["strName"] = res[i].listThemeChildren[j].listThemeChildren[r]["strName"] + " " + "()"
            }
        }
    }
}

problem description

feel that the for loop is too troublesome, think simply,
how to optimize this, recursion? how to write

if it is recursion?
Javascript
Apr.07,2021 
  function recursive(data){
    for (var i = 0,l = data.length; i < l; iPP) {
      let item= data[i]
      if(item.intIsDel === 1){
        item['disabled'] = true
        item['strName'] = item['strName'] + ' ' + '()'
      }
      if(item.listThemeChildren && item.listThemeChildren.length>0){
          recurFn(item.listThemeChildren)
      }
    } 
  }

let arr =[{
  intIsDel:1,
  listThemeChildren:[
    {
      intIsDel:0
    },
    {
      intIsDel:1,
      listThemeChildren:[
        {
          intIsDel:0
        },
        {
          intIsDel:1
        }
      ]
    }
  ]
}];
recursive(arr)

Previous: Is there only five npm access token at most?

Next: C-sharp winform program how to solve the problem of occlusion on the interface when the font is adjusted to medium and large fonts in the resolution.

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-64f5-1e5e011-45767.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5e011-45767.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?