JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = {
    title: 'fsdfsd',
    titleZh: 'fsdfsd',
    body: 'fsdf',
    bodyZh: 'sdfsdf',
    imageIds: '/uploads/tmp/image-3.png',
    imageIdsZh: '' 
};

var z = Object.keys(data).filter(function(k) {
    return k.indexOf('imageIds') == 0;
}).reduce(function(newData, k) {
    newData[k] = data[k];
    return newData;
}, {});

console.log(z);