JSFiddle - React, Tailwind, and code Playground

by lbstr

JavaScript

var data = [{
    thumb: '/images/01.png',
    title: 'My title',
},{
    thumb: '/images/02.png',
    title: 'My title',
},{
    thumb: '/images/03.png',
    title: 'My title',
}];


function changeKeys(data, oldKey, newKey){
    for(var i = 0; i < data.length; i++){
        if(data[i].hasOwnProperty(oldKey)){
            data[i][newKey] = data[i][oldKey];
            delete data[i][oldKey];
        }
    }
}

changeKeys(data, "thumb", "thumbnail");

console.info(data);