如何在Javascript中将每个元素数组推入2个属性？

Question

Let's say I want to achieve the following array structure but programmatically by using the push() function in js:

var arr = [
{id: 1, txt: "First Element"},
{id: 2, txt: "Second Element"},
{id: 3, txt: "Third Element"}
];

My idea is something of the following format:

var arr = [];
var id = 1;
var text = "First Element";

for (var i=0;i<3;i++){
arr.push({id,text});
}

This is wrong because I'm not passing the column names anywhere. How do I go about this?

Thanks

Answer 1

You were almost there, you just need to specify both the property name and the value, like this:

 var arr = []; for (var i = 0; i < 3; i++) { arr.push({ id : i+1, txt : "Element " + (i+1) }); } console.log(arr);