My Array is called MainArray
MainArray=[{
{First Name: "First Name"},
{Last Name: "Contact"},
{Last Name: "Contact"}
]
I am trying to trim the key-value pair from this array like this:
if (key == 'First Name')
{
delete MainArray[key] /// But this method is not working
}
The desired final outcome should be:
ResultArray=[{
{Last Name: "Contact"},
{Last Name: "Contact"}
]
To filter out specific keys in an object, you can utilize the filter function along with Object.keys to check if a certain key exists:
var MainArray=[ {'First Name': "First Name"}, {'Last Name': "Contact"}, {'Last Name': "Contact"} ];
var result = MainArray.filter(item=>!Object.keys(item).includes('First Name'));
var result2 = MainArray.filter(item=>!item['First Name']);
console.log(result);
console.log(result2);The filter() method is a powerful tool for removing items that meet certain conditions, as shown in the example below:
let products=[
{"Product Name": "Laptop"},
{"Product Name": "Smartphone"},
{"Price": "$1000"},
{"Price": "$500"}
]
const keyToRemove = "Price"; //Key to remove
products = products.filter(item => !item[keyToRemove]);
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