Sort grades numerically WebAssign (run in js console)

sortgrades.js

var list = document.querySelectorAll(".scoreBox > p > strong");
var regExp = /\(([^)]+)\)/;
var sgrades = [];

function insert(element, array) {
    array.push(element);
    array.sort(function(a, b) {
        return a - b;
    });
    return array;
}

for (var i = 0; i < list.length; i++) {
    try {
        sgrades = insert(parseFloat(regExp.exec(list[i].innerText)[1]), sgrades);
    } catch (e) {}
}

console.log(sgrades);