JAVASCRIPT
javascript object filter
function objectFilter = (obj, predicate) =>
Object.keys(obj)
.filter( key => predicate(obj[key]) )
.reduce( (res, key) => (res[key] = obj[key], res), {} );
// Example use:
var scores = {
John: 2, Sarah: 3, Janet: 1
};
var filtered = objectFilter(scores, num => num > 1);
console.log(filtered);
.filter() on object
const raw = {
item1: { key: 'sdfd', value:'sdfd' },
item2: { key: 'sdfd', value:'sdfd' },
item3: { key: 'sdfd', value:'sdfd' }
};
const allowed = ['item1', 'item3'];
const filtered = Object.keys(raw)
.filter(key => allowed.includes(key))
.reduce((obj, key) => {
return {
...obj,
[key]: raw[key]
};
}, {});
console.log(filtered);
filter object js
const raw = {
item1: { key: 'sdfd', value:'sdfd' },
item2: { key: 'sdfd', value:'sdfd' },
item3: { key: 'sdfd', value:'sdfd' }
};
const allowed = ['item1', 'item3'];
const object = Object.fromEntries(
Object.entries(tt).filter(([key, value]) => currentInputs.includes(key))
);
filter object array
objects.filter((value, index, self) => {
return self.findIndex(v => v.actor.name === value.actor.name) === index;
})
create object filter
const reducedfilter =(data, keys, func)=>{
data.filter(func).map(el =>{
keys.reduce((acc, key)=>{
acc[key] = el[key];
return acc
},{})
)
}
reducefilter(data, ['id', 'name'], item => item.age > 24)
how to filter data in javascript object
var newArray = homes.filter(
price <= 1000 &
sqft >= 500 &
num_of_beds >=2 &
num_of_baths >= 2.5 );
how to filter data in javascript object
var json = {
'homes': [{
"home_id": "1",
"price": "925",
"sqft": "1100",
"num_of_beds": "2",
"num_of_baths": "2.0",
}, {
"home_id": "2",
"price": "1425",
"sqft": "1900",
"num_of_beds": "4",
"num_of_baths": "2.5",
},
// ... (more homes) ...
]
}
var xmlhttp = eval('(' + json + ')');
homes = xmlhttp.homes;