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Array.push not working in forEach loop using node js / javascript

Hi I am new to node js and I am trying to make an array from an object

data.forEach((title) => {
  let array = [];

  for (var i = 0; i <= data.length; i++) {
    array.push(title.title.charAt(0).toUpperCase() + title.title.slice(1))
  }
  console.log(array);

  //access.forEach((conf)=>{
  // conf.title
  // array
  //})
})
<script>
  let data = [{
      title: "user",
      fields: "required",
      access: "done"
    },
    {
      title: "root",
      fields: "default",
      access: "done"
    },
    {
      title: "super Admin",
      fields: "allready access",
      access: "defualt"
    },
    {
      title: "user1",
      fields: "required",
      access: "done"
    },
    {
      title: "test user",
      fields: "required",
      access: "done"
    },
  ]
</script>

As I want an array which contain all the title in it so I can use that array field inside the access.forEach method but what am getting is title but not in same array but as a different output

expected output

array = [User,Root,Super Admin,User1,Test user]
about 4 years ago · Juan Pablo Isaza
2 Respuestas
Responde la pregunta

0

An arrow function you pass into forEach is executed for every item in the data array so that you create a new array let array=[] for every item of your original one. You either want to declare the array outside of the function:

let array=[];
data.forEach(item => {
   array.push(item.title[0].toUpperCase() + item.title.slice(1));
})

or even better use map

let titles = data.map(item => item.title[0].toUpperCase() + item.title.slice(1))

An output in both cases will be: ["User", "Root", "Super Admin", "User1", "Test user"]

about 4 years ago · Juan Pablo Isaza Denunciar

0

You can achieve this by using simple Array.map().

Working Demo :

let data = [{
  title: "user",
  fields: "required",
  access: "done"
}, {
  title: "root",
  fields: "default",
  access: "done"
}, {
  title: "super Admin",
  fields: "allready access",
  access: "defualt"
}, {
  title: "user1",
  fields: "required",
  access: "done"
}, {
  title: "test user",
  fields: "required",
  access: "done"
}];

const array = data.map((obj) => obj.title.charAt(0).toUpperCase() + obj.title.slice(1));

console.log(array);

about 4 years ago · Juan Pablo Isaza Denunciar
Responde la pregunta
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