Fetching database entries upon page load instead of using the keyup function in JavaScript

Here is an HTML form input provided:

<input type="text" id="username" value="">

In this scenario, when a username like "John" is entered and the enter button is pressed, the script below retrieves database records:

$(function(){
    //var socket = io.connect( 'http://'+window.location.hostname+':3000' );

    $('#username').on('keyup',function(e){
        var $this = $(this);
        if(e.which === 13){

            var name = $this.val();
            socket.emit('new user', name, function(response){
                if(response){
                    localStorage.setItem('username',name);
                    $this.val('');
                    $('#userinfo').hide();
                    $('#chat-body').fadeIn();                   
                    loadMessages(); //retrieve messages from Database
                } else{
                    $('.validation').text('Username taken!').fadeIn();
                }

            });
    }
    });

    function loadMessages(){
        $.post('process.php',{method:'retrieve'},function(response){
            $.each(JSON.parse(response),function(i,v){              
                $('.messages').append('<li><div class="msg-lhs"><span class="username">'+v.name+'</span> : <span class="msg">'+v.message+'</span></div><span data-livestamp="'+v.created_at+'" class="msg-rhs"></span></li>');
            });
            $('.messages').animate({scrollTop: $('.messages').prop("scrollHeight")}, 500);
        });
    }


});

The request now is to remove the keyup function() and instead pass the username in a hidden form. After that, retrieve the database records as soon as the page loads. Assistance on achieving this would be highly appreciated. Thank you!

Answer №1

To start, develop a custom function for fetching your data. Once done, implement the following code to retrieve it post page load:

window.onload = YourFunction;

Remember, always safeguard your database connection details in your code!

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