retrieve child value in firebase [web]

How can I retrieve the child "hi" into a textbox, I have the code that retrieve the others, but I don't know how to retrieve a child of child, please help.

This is my database structure:

enter image description here

and this is the code:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot)

{

    var data = snapshot.val();

    var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" + data[key].nim+ "</td>"+ 

                           "<td>" + data[key].nama + "</td>"+

                           "<td>" + data[key].alamat + "</td>"+

                           "<td>" + data[key].usia + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }



});

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

does this work data[key].hello['hey'] ?

– P.hunter
Nov 26 '18 at 8:16

it does not work

– lela
Nov 26 '18 at 8:54

then i would suggest you to console various attributes by console.log(Object.keys(data[key])); it'll help you see what are various attributes of the object. you might also see hello there maybe as an object, see how you can access it.

– P.hunter
Nov 26 '18 at 10:31

How can I do that?

– lela
Nov 26 '18 at 10:33

add a comment |

How can I retrieve the child "hi" into a textbox, I have the code that retrieve the others, but I don't know how to retrieve a child of child, please help.

This is my database structure:

enter image description here

and this is the code:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot)

{

    var data = snapshot.val();

    var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" + data[key].nim+ "</td>"+ 

                           "<td>" + data[key].nama + "</td>"+

                           "<td>" + data[key].alamat + "</td>"+

                           "<td>" + data[key].usia + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }



});

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

does this work data[key].hello['hey'] ?

– P.hunter
Nov 26 '18 at 8:16

it does not work

– lela
Nov 26 '18 at 8:54

then i would suggest you to console various attributes by console.log(Object.keys(data[key])); it'll help you see what are various attributes of the object. you might also see hello there maybe as an object, see how you can access it.

– P.hunter
Nov 26 '18 at 10:31

How can I do that?

– lela
Nov 26 '18 at 10:33

add a comment |

How can I retrieve the child "hi" into a textbox, I have the code that retrieve the others, but I don't know how to retrieve a child of child, please help.

This is my database structure:

enter image description here

and this is the code:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot)

{

    var data = snapshot.val();

    var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" + data[key].nim+ "</td>"+ 

                           "<td>" + data[key].nama + "</td>"+

                           "<td>" + data[key].alamat + "</td>"+

                           "<td>" + data[key].usia + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }



});

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

How can I retrieve the child "hi" into a textbox, I have the code that retrieve the others, but I don't know how to retrieve a child of child, please help.

This is my database structure:

enter image description here

and this is the code:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot)

{

    var data = snapshot.val();

    var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" + data[key].nim+ "</td>"+ 

                           "<td>" + data[key].nama + "</td>"+

                           "<td>" + data[key].alamat + "</td>"+

                           "<td>" + data[key].usia + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }



});

javascript firebase web firebase-realtime-database

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

edited Nov 26 '18 at 11:36

droidBomb

55015

edited Nov 26 '18 at 11:36

droidBomb

55015

edited Nov 26 '18 at 11:36

droidBomb

55015

asked Nov 26 '18 at 8:11

lela

asked Nov 26 '18 at 8:11

lela

asked Nov 26 '18 at 8:11

lela

does this work data[key].hello['hey'] ?

– P.hunter
Nov 26 '18 at 8:16

it does not work

– lela
Nov 26 '18 at 8:54

then i would suggest you to console various attributes by console.log(Object.keys(data[key])); it'll help you see what are various attributes of the object. you might also see hello there maybe as an object, see how you can access it.

– P.hunter
Nov 26 '18 at 10:31

How can I do that?

– lela
Nov 26 '18 at 10:33

add a comment |

does this work data[key].hello['hey'] ?

– P.hunter
Nov 26 '18 at 8:16

it does not work

– lela
Nov 26 '18 at 8:54

then i would suggest you to console various attributes by console.log(Object.keys(data[key])); it'll help you see what are various attributes of the object. you might also see hello there maybe as an object, see how you can access it.

– P.hunter
Nov 26 '18 at 10:31

How can I do that?

– lela
Nov 26 '18 at 10:33

does this work data[key].hello['hey'] ?

– P.hunter
Nov 26 '18 at 8:16

it does not work

– lela
Nov 26 '18 at 8:54

then i would suggest you to console various attributes by console.log(Object.keys(data[key])); it'll help you see what are various attributes of the object. you might also see hello there maybe as an object, see how you can access it.

– P.hunter
Nov 26 '18 at 10:31

How can I do that?

– lela
Nov 26 '18 at 10:33

add a comment |

1 Answer
1

active

oldest

votes

Please try this one:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot){

var data = snapshot.val();          

var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" +  data[key].nama .val()+ "</td>"+ 

                           "<td>" + data[key].alamat.val() + "</td>"+

                           "<td>" + data[key].usia.val() + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }

      });

    });

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

Please try this one:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot){

var data = snapshot.val();          

var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" +  data[key].nama .val()+ "</td>"+ 

                           "<td>" + data[key].alamat.val() + "</td>"+

                           "<td>" + data[key].usia.val() + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }

      });

    });

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

add a comment |

Please try this one:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot){

var data = snapshot.val();          

var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" +  data[key].nama .val()+ "</td>"+ 

                           "<td>" + data[key].alamat.val() + "</td>"+

                           "<td>" + data[key].usia.val() + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }

      });

    });

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

add a comment |

Please try this one:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot){

var data = snapshot.val();          

var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" +  data[key].nama .val()+ "</td>"+ 

                           "<td>" + data[key].alamat.val() + "</td>"+

                           "<td>" + data[key].usia.val() + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }

      });

    });

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

Please try this one:

mahasiswaRef = firebase.database().ref();

mahasiswaRef.on("value", function(snapshot){

var data = snapshot.val();          

var files ="";

    for(var key in data)

    {

        files += "<tr>"+

                           "<td>" +  data[key].nama .val()+ "</td>"+ 

                           "<td>" + data[key].alamat.val() + "</td>"+

                           "<td>" + data[key].usia.val() + "</td>"+

                           '<td>'+'<button class="btn btn-primary edit" data-validasi="'+key+'">Edit</button>'+'</td>' +

                           '<td>'+'<button class="btn btn-danger hapus" data-validasi="'+key+'">Hapus</button>'+'</td>' +

                          "<tr>";





    }

      });

    });

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

answered Nov 26 '18 at 9:02

Madhuri Patel

875517

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

add a comment |

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

My code works when retrieving these values, but I have a child of child cant retrieve it

– lela
Nov 26 '18 at 9:20

Please visit this site: it will help you stackoverflow.com/questions/48210281/…

– Madhuri Patel
Nov 26 '18 at 10:56

add a comment |

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