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);
javascript arrays
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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);
javascript arrays
add a comment |
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);
javascript arrays
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
javascript arrays
edited Nov 21 at 9:40
asked Nov 21 at 9:35
islam kabaha
26
26
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