city-select | 中国省、市、县、乡四级行政区级联下拉选取

I need to choose the city in Select and then insert it to the fetch to get weather forecast of the user selected city, but I got this message before I got a chance to choose something: Uncaught ReferenceError: strUser is not defined:

as an example, i have a super-market website and there s a section showing market's stores. for choosing locations a dropdown list exists. What i am trying to do is based on my choice from dropdown list i want to get quantities of stores (blue frame). here s picture;

I accomplished getting values from dropdown list by this code:

I am using react-slick and I have my own customised arrows. This Slider is NOT an infinite loop and I would like to hide the arrows at the start and end of the loop. So basically at start PrevArrow should be hidden and at the end the NextArrow should be hidden. Which I am trying to set hidden class name depending on state changes. However the class name is not changing although the state is changing correctly. Do you know what's the problem with this code? and how to get it work?

Below is my setting for Slider and the component which renders Slider.

I have been having issues with the child divs of flex containers taking up the full height of the container they are in. I have tried inheriting height and percentages and it is not working. Ideally, I am going for this format.

Here is the code I have so far.

I need to generate unique id in each loop instead of ````city-selected```

I have a main menu and a click on a button of the main menu opens a sub menu with either long or short list items. Selecting one or more items changes the grey close button in the left upper corner to a green check mark. If all items get unselected the green check mark turns into an orange close button.

I am using selectize.js to build a dropdown list of all cities in Belgium.

I have to select two classes but there is one issue if I want to use this just for single class how can I use that? Like given below:-

I have a Vue application that leverages Vuetify. In this application I have a component called city-selector.vue which is setup like this: