Vanilla JS - Get the max prop value from an object array in JavaScript
This is a quick example of how to get the maximum value of a property in an array of objects in JavaScript.
The below code snippet uses the following three Vanilla JS tools to get the max prop value from an array:
- the
Array.map()function to create a new array that contains only the property we're interested in (.value) - the ES6 Spread Operator (
...) to expand/convert the array into a list of arguments that can be passed to a function as input parameters - the
Math.max()function to get the largest value from the input parameters
const arrayOfObjects = [
{ value: 1 },
{ value: 2 },
{ value: 3 },
{ value: 4 },
{ value: 5 }
];
const maxValue = Math.max(...arrayOfObjects.map(x => x.value));Run the example vanilla JS on StackBlitz at https://stackblitz.com/edit/vanilla-js-get-max-prop-value-from-object-array.
More info on JavaScript functions used
For more info on the Vanilla JS functions and operator used in the example see the below links:
- Array map function - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map
- ES6 spread operator - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax
- Math max function - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/max
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