Hi,
I want to dispay Name field as hyperlink in the datatable in lwc.below JS is not working as expected.i am getting blank rows.however i can see the linkName is returning value in console.log.I was albel to do that through lightning component but not sure why its not returning.
below is the JS file.

import { LightningElement, track } from 'lwc';
import serachAccs from '@salesforce/apex/accountSearchController.retriveAccs';
// datatable columns
const columns = [
    {
        label: 'Account Name', fieldName: 'linkName', type: 'url', sortable: true, 
        typeAttributes: {label: { fieldName: 'Name' }, target: '_blank'}
    }, 
]
export default class AccountSearch extends LightningElement {
    @track searchData;
    @track columns = columns;
    @track errorMsg = '';
    strSearchAccName = '';
    
    handleAccountName(event) {
        this.strSearchAccName = event.detail.value;
    }
    handleSearch() {
        if(!this.strSearchAccName) {
            this.errorMsg = 'Please enter account name to search.';
            this.searchData = undefined;
            return;
        }
        serachAccs({strAccName : this.strSearchAccName})
        .then(result => {
           // console.log(result);
          // result = Object.assign({}, result);
           result.forEach(function(item) {
            let obj = {linkName: '/' + item.Id};
            let clone = Object.assign({}, obj);
           // ChromeSamples.log(clone);
            // Object.assign({item.linkName:item.Id});
            console.log(item.Id);
           // item.linkName= '/' + item.Id;
            console.log("This is"+obj.linkName);
        });
         this.searchData = result;
       
        })
      
    }
}
Please help.