Implement a function that runs upon Page Load using Javascript

Here is some Javascript code that loads a map with different regions. When you hover or click on a country, additional information about that country is displayed on the right side of the map.

I would like to have a random country already displaying information when the page loads, without requiring a hover or click.

Check out a live example here:

Replace areas with unique random counties when the page loads in JavaScript - example.

Answer №1

You're on the right track, I find it hard to brainstorm without any visuals

options = ["asia","europe","africa","america","australia","antarctica"]

Next, let's introduce some randomness

var option = options[Math.floor(Math.random()*options.length)]

There's a lot of material here for you to work with

    jQuery("#map-container AREA").click(function () {
        jQuery('#map-container img.region').removeClass('selected').css('display', 'none');
        jQuery('#practice-container ul').removeClass('selected').css('display', 'none');

        var regionMap = '.' + $(this).attr('id') + '-map';
        var regionList = '.' + $(this).attr('id') + '-list';
        jQuery(regionMap).addClass('selected').css('display', 'inline');
        jQuery(regionList).addClass('selected').css('display', 'inline');
    });

You should update the click function to trigger on document ready and substitute AREA with the option. If using a hash is more suitable for you then:

document.location.hash = option;

You're making good progress, keep it up.

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