JAVASCRIPT

how to sort an array of objects by a property value in javascript

let x = list.sort((a, b) => (a.name > b.name ? 1 : -1));

javascript sort array of object by property

function sortByDate( a, b ) {
  if ( a.created_at < b.created_at ){
    return -1;
  }
  if ( a.created_at > b.created_at ){
    return 1;
  }
  return 0;
}

myDates.sort(sortByDate);//myDates is not sorted.

sort object properties by value javascript

var maxSpeed = {
    car: 300, 
    bike: 60, 
    motorbike: 200, 
    airplane: 1000,
    helicopter: 400, 
    rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
    sortable.push([vehicle, maxSpeed[vehicle]]);
}

sortable.sort(function(a, b) {
    return a[1] - b[1];
});

//[["bike", 60], ["motorbike", 200], ["car", 300],
//["helicopter", 400], ["airplane", 1000], ["rocket", 28800]]

sort obj by its property name

const sortByProperty = (array, propertyName) => {
    return array.sort(function (a, b) {
        if (a[propertyName] < b[propertyName]) {
            return - 1
        } else if (a[propertyName] > b[propertyName]) {
            return 1
        }
        return 0
    });
}

how to sort one element in property javascript

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var employees=[]
employees[0]={name:"George", age:32, retiredate:"March 12, 2014"}
employees[1]={name:"Edward", age:17, retiredate:"June 2, 2023"}
employees[2]={name:"Christine", age:58, retiredate:"December 20, 2036"}
employees[3]={name:"Sarah", age:62, retiredate:"April 30, 2020"}

Sorting an array of objects by property values

let persolize=[ { key: 'speakers', view: 10 }, { key: 'test', view: 5 } ]
  
persolize.sort((a,b) => a.view - b.view);

//If it only array and not an array object, use below statement
//persolize.sort((a,b) => a - b);