Conceal interactive JavaScript buttons depending on a variable's value

I encountered a similar issue like this one: Hiding dynamically added buttons based on an if statement. I am currently working on a JavaScript modification for a Dark Room to enhance my JS skills. Both of the code snippets mentioned in the link are not mine, but they are functioning perfectly.

Below is the code snippet that builds the buttons:

build: function(buildBtn) {
        var thing = $(buildBtn).attr('buildThing');
        if($SM.get('game.temperature.value') <= Room.TempEnum.Cold.value) {
            Notifications.notify(Room, _("builder just shivers"));
            return false;
        }

The above code snippet ensures that buttons remain visible, however, I am interested in modifying it so that when a certain maximum value is reached, the button gets hidden.

//show button if one has already been built
if($SM.get('game.buildings["'+thing+'"]') > 0){
    Room.buttons[thing] = true;
    return true;
}
javascriptbuttondynamicshow-hide

Answer №1

One common way to hide and show elements on a webpage is by using CSS classes. You can create a CSS class like the following:

.hidden {
  display: none;
}

Then, in your JavaScript code, you can add or remove the hidden class based on certain conditions. Here is an example:

if (condition) {
    $(element).addClass('hidden');
} else {
    $(element).removeClass('hidden');
}

Answer №2

Providing a solution without sufficient context can be challenging. The code snippet shown may not solely determine the visibility of the button as indicated by the inline comment. To ensure accuracy, more information on your objectives and additional code would be beneficial.

If you have the ability to modify the snippet, consider incorporating the maximum value there. If the max value is a variable (e.g. myCustomMaxValue) and falls within scope, it could be integrated as follows:

var myCustomMaxValue = 88;
var someOtherVariableInScope = 50

// Condition to display the button after already being built
if($SM.get('game.buildings["'+thing+'"]') > 0){
    // Include your condition here to return true/false
    var myCustomCondition = someVariableInScope > myCustomMaxValue;
    Room.buttons[thing] = myCustomCondition;
    return myCustomCondition;
}

To verify if the snippet dynamically controls the button's visibility, try using the debug; keyword. Placing it in the snippet will trigger your browser's debugger when executed, allowing you to inspect scoped variables for confirmation.

// Condition to show button if previously built
if($SM.get('game.buildings["'+thing+'"]') > 0){
    debug;
    Room.buttons[thing] = myCustomCondition;
    return myCustomCondition;
}

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