What is the process of utilizing a <li> for a hover selector in jquery?

I've encountered an issue with a list that I am trying to modify its content when hovering over them. Despite using the id as a selector for triggering the hover function, all list items change color instead of just the intended one. The challenge lies in the fact that the ids are dynamically generated, making it impossible to target individual elements. Below is a snippet of the pertinent jQuery code:

for (var i=0;i < count; i++)
    {   
        if (i == 4) {break;}
        var elemId = resultsTemp[i].split('.')[0];
        var elemName = resultsTemp[i].split('.')[1];                
        addToList += '<li id="'+elemId+'" class= "profResultsName">'+elemName+'</li>';
    }
        $("#professorDropDown").append(addToList);

Additionally, here's another snippet:

$(".profResultsName").hover(function() 
{
    $(this).css("color","white");
},
function () 
{
    $(this).css("color","black");
});

Finally, below is the relevant HTML structure:

<ul id="professorDropDown" class="addContainer"></ul>
jqueryhtmlcss

Answer №1

It appears that there are a couple of issues: a missing = in the class"profResultsName" and difficulty in managing dynamic elements.

for (var i=0;i < count; i++)
{   
    if (i == 4) {break;}
    var elemId = resultsTemp[i].split('.')[0];
    var elemName = resultsTemp[i].split('.')[1];                
    addToList += '<li id="'+elemId+'" class="profResultsName">'+elemName+'</li>';//= missing after class
}
    $("#professorDropDown").append(addToList);

then

$('#professorDropDown').on('mouseenter', 'li.profResultsName', function(){
    $(this).css('color', 'red')
}).on('mouseleave', 'li.profResultsName', function(){
    $(this).css('color', 'green')
})

Demo: Fiddle

Answer №2

It's best to utilize the following code:

$("#professorDropDown").on('mouseover', 'li', function () {
    $(this).css("color","white");
});

This is recommended since you are dynamically generating list items, rather than upon page load. Additionally, it's advisable to use classes for styling instead of directly applying CSS styles with JavaScript.

Answer №3

Remember, when adding a listener for a ul element, it's not the li you're targeting.

Given that the li is dynamically generated, make sure to use this code:

for (var i=0;i < 4; i++) {             
    $(".profResults").append('<li  class"profResultsName">item</li>');
    listen();
}

function listen() {
    $(".profResults li").hover(function() {
    $(this).css("color","white");
}, function () {
    $(this).css("color","black");
});
}

Check out an example here: http://jsfiddle.net/Mqfx8/

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