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JavaScript

Posted by Paula Graves
Paula Graves
572 Points

add it to the temperatures array at the index that correpsonds with the day of week

Get the user inputted temp and validate it making sure it's a number if it's valid add it to the temperatures array at the index that correpsonds with the day of week, e.g. 0 for Monday, 2 for Wednesday. and also loop through the non-undefined temperatures In the same loop sum the temperatures and count how many there are so you can calculate the average and output the average temp on the page.

Use a for loop here to write options to the select for each day of the week <option value="0">Monday</option> using += here with innerHTML property takes the existing values and concats this on the end .. i am just stuck . and don't know how to start.

1 Answer

Matt Brock
Matt Brock
28,330 Points
Matt Brock
Matt Brock
28,330 Points

Hey Paula, do you have any code you could share with us? It would be helpful to see any HTML you're trying to add interaction to.

Paula Graves
Paula Graves
572 Points

Thank you Matt this is what i have so far.. "use strict"; var temperatures = []; var days = ["Monday", "Tuesday","Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];

var $ = function (id) { return document.getElementById(id); }

var takeTemps = function () { var tempIn = $("tempIn").value; if(isNaN(tempIn) || tempIn === ""){ alert("Please enter a number for temperature"); $("tempIn").value; $("tempIn").focus(); }

    temperatures.push(tempIn);