js add object to array code example

Example 1: how to add objects in array

var a=[], b={};
a.push(b);    
// a[0] === b;

Example 2: javascript add object to array

var object = {'Name'};
var array = [ ]; // Create empty array

// SIMPLE
	array.push(object); // ADDS OBJECT TO ARRAY (AT THE END)
	// or
	array.unshift(object); // ADDS OBJECT TO ARRAY (AT THE START)

// ADVANCED
	array.splice(position, 0, object);
	// ADDS OBJECT TO THE ARRAY (AT POSITION)

		// Position values: 0=1st, 1=2nd, etc.
		// The 0 says: "remove 0 objects at position"

Example 3: how to append object in array javascript

var select =[2,5,8];
var filerdata=[];
for (var i = 0; i < select.length; i++) {
  filerdata.push(this.state.data.find((record) => record.id == select[i]));
}
//I have a data which is object,
//find method return me the filter data which are objects
//now with the push method I can make array of objects

Example 4: push in object javascript

//push in object javascript
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
    if ( data[index].Status == "Valid" ) {
        tempData.push( data );
    }
}
data = tempData;

Example 5: how to append objects to javascript lists ?

var studentList = ['Jason', 'Samantha', 'Alice', 'Joseph'];

//Add a new student to the end of the student list
studentList.push('Jacob');
//list is updated to ['Jason', 'Samantha', 'Alice', 'Joseph', 'Jacob'];

Example 6: how to add object to list in javascript

var a=[]
var b={};
a.push(b);