search-table-8-update.js

//attach event listener
document.querySelector('#inp_search').addEventListener('input', function(){
    //store the search query
    let value = this.value.trim();
    //check if value is not empty
    if(value){
        //store matching record IDs
        let matchingIDs = [];
        //loop index
        let ind = 1;
        //loop through the data to find matching text
        while(ind < Object.keys(tableData).length){
            //perform case-insensitive search on the string
            if(tableData[ind][0].match(new RegExp(value, 'i')) || 
                tableData[ind][1].match(new RegExp(value, 'i')) ||
                 tableData[ind][2].match(new RegExp(value, 'i')) ||
                  tableData[ind][3].match(new RegExp(value, 'i'))){
                    //store the id of the record
                    matchingIDs.push(ind);
            }
            //increment index
            ind++;
        }
        //invoke the function by passing in the matching IDs
        buildTable(matchingIDs);
    }else{
        //invoke the build table function without providing an argument
        buildTable();
    }
})