How can delete first object from map?











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Do you know how can delete first object from map , I write some code map of object ,when add or set 3 object in map. i using loop to search inside map how can delete or remove one or index object from map as dynamic look to my code maybe you can understand what I mean .please any one he /she know ,get me help!



enter image description here



var map1 = new Map();
map1.set('key1',{open:[1]});
map1.set('key2',{open:[2]});
map1.set('key3',{open:[0]});
console.log(map1)
for (const [key,value] of map1.entries()) {
//map1.delete(0)
//console.log(key,value);
}
console.log(map1.size);





var map1 = new Map();
map1.set('key1',{open:[1]});
map1.set('key2',{open:[2]});
map1.set('key3',{open:[0]});
console.log(map1)
for (const [key,value] of map1.entries()) {
//map1.delete(0)
//console.log(key,value);
}
console.log(map1.size);












share|improve this question




























    up vote
    -1
    down vote

    favorite












    Do you know how can delete first object from map , I write some code map of object ,when add or set 3 object in map. i using loop to search inside map how can delete or remove one or index object from map as dynamic look to my code maybe you can understand what I mean .please any one he /she know ,get me help!



    enter image description here



    var map1 = new Map();
    map1.set('key1',{open:[1]});
    map1.set('key2',{open:[2]});
    map1.set('key3',{open:[0]});
    console.log(map1)
    for (const [key,value] of map1.entries()) {
    //map1.delete(0)
    //console.log(key,value);
    }
    console.log(map1.size);





    var map1 = new Map();
    map1.set('key1',{open:[1]});
    map1.set('key2',{open:[2]});
    map1.set('key3',{open:[0]});
    console.log(map1)
    for (const [key,value] of map1.entries()) {
    //map1.delete(0)
    //console.log(key,value);
    }
    console.log(map1.size);












    share|improve this question


























      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      Do you know how can delete first object from map , I write some code map of object ,when add or set 3 object in map. i using loop to search inside map how can delete or remove one or index object from map as dynamic look to my code maybe you can understand what I mean .please any one he /she know ,get me help!



      enter image description here



      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);





      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);












      share|improve this question















      Do you know how can delete first object from map , I write some code map of object ,when add or set 3 object in map. i using loop to search inside map how can delete or remove one or index object from map as dynamic look to my code maybe you can understand what I mean .please any one he /she know ,get me help!



      enter image description here



      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);





      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);








      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);





      var map1 = new Map();
      map1.set('key1',{open:[1]});
      map1.set('key2',{open:[2]});
      map1.set('key3',{open:[0]});
      console.log(map1)
      for (const [key,value] of map1.entries()) {
      //map1.delete(0)
      //console.log(key,value);
      }
      console.log(map1.size);






      javascript arrays






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      edited Nov 21 at 9:40

























      asked Nov 21 at 9:35









      islam kabaha

      26




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