The Code

                           
function getValues() {
//Get values from the page
let startValue = document.getElementById("startValue").value;
let endValue = document.getElementById("endValue").value;

//Attempts to validate data
startValue = parseInt(startValue);
endValue = parseInt(endValue);

if (Number.isInteger(startValue) && Number.isInteger(endValue)) {
//call generateNumberes()
let numbers = generateNumbers(startValue, endValue);

//call DisplayNumbers()
displayNumbers(numbers);
} else alert("Input must be integers.");
}

/**
* Generate numbers from startvalue to the endvalue
* Logic Function(s)
*/
function generateNumbers(start, end) {

let numbers = [];

//We want to execute all numbers from start to end
for (let index = start; index <= end; index++) { numbers.push(index); }; return numbers; } /** * Determine the even
    numbers to display in bold * Display/View Function */ function displayNumbers(numList) { let templateRows="" ; for
    (let index=0; index < numList.length; index++) { let num=numList[index]; if (num % 2==0) { templateRows +=`
    ${num}
    `;
    } else templateRows += `
        ${num}
    `;


    }
    document.getElementById("results").innerHTML = templateRows;
    }
                           
                       

This app displays integers 1-100 making even numbers bold