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Accepted
Yoel Rodriguez
Asked: 2020-11-21 17:47:27 +0800 CST 2020-11-21 17:47:27 +0800 CST

Insert the same value in a javascript array with push

  • 772

I have the following situation, I am creating an object within a for loop and then inserting it into an array . The object is conforming to me without problem, I have the detail at the time I insert the data in the array, since when inserting the last record it changes the previous ones and places the last one in all the items . Here is the code to see if you can help me.

Thanks.

My code:

    let arrayval = _data.valdatos.split("~");
    var datagrapharray = []; 
    var datagraphobj = new Object();
    for(i=0; i < arrayval.length; i++){
        linegrafph = arrayval[i].split("#");
        datagraphobj["label"] =  linegrafph[1];
        datagraphobj["backgroundColor"] = linegrafph[2];
        datagraphobj["borderColor"] = linegrafph[3];
        datagraphobj["borderWidth"] = 1;
        datagraphobj["data"] = linegrafph[0].split(",");
        console.log(datagraphobj);
        datagrapharray.push(datagraphobj);
    }   
    console.log(datagrapharray);

My objects:

{label: "Objeto1", backgroundColor: " rgba(255,0,0,0.2)", borderColor: " rgba(255,0,0,1)", borderWidth: 1, data: Array(12)}
{label: "Objeto2", backgroundColor: " rgba(0,64,128,0.2)", borderColor: " rgba(0,64,128,1)", borderWidth: 1, data: Array(12)}
{label: "Objeto3", backgroundColor: " rgba(0,0,0,0.2)", borderColor: " rgba(0,0,0,1)", borderWidth: 1, data: Array(12)}

My array:

0: {label: "Objeto3", backgroundColor: " rgba(0,0,0,0.2)", borderColor: " rgba(0,0,0,1)", borderWidth: 1, data: Array(12), …}
1: {label: "Objeto3", backgroundColor: " rgba(0,0,0,0.2)", borderColor: " rgba(0,0,0,1)", borderWidth: 1, data: Array(12), …}
2: {label: "Objeto3", backgroundColor: " rgba(0,0,0,0.2)", borderColor: " rgba(0,0,0,1)", borderWidth: 1, data: Array(12), …}
javascript

1 Answers

  1. Best Answer

    Your problem is solved by clearing the object before re-inserting the values ​​since you're currently not doing that, that's why you step on each value:

    const data = [
  { value: 1, name: 'Uno' },
  { value: 2, name: 'Dos' },
  { value: 3, name: 'Tres' },
  { value: 4, name: 'Cuatro' }
]

let nuevoArreglo = [];
let dataObject = new Object();

for(i = 0; i < data.length; i++){
  dataObject = {};
  dataObject['value'] = data[i].value;
  dataObject['name'] = data[i].name;
  nuevoArreglo.push(dataObject);
}
console.log(nuevoArreglo);

    Let us know how it goes mate =)

    • 1