@track selectedLabel;

get options() {
    return [
        { label: 'New', value: 'new' },
        { label: 'In Progress', value: 'inProgress' },
        { label: 'Finished', value: 'finished' },
    ];
}

handleChange(event) {
    this.selectedLabel = event.target.options.find(opt => opt.value === event.detail.value).label;
}

Hi,

To render a list of items, use for:each directive or the iterator directive to iterate over an array. Add the directive to a nested <template> tag that encloses the HTML elements you want to repeat. We can call it for loop in LWC.

/ a list of string, you wanna display

List<String> tempLst = new List<String>{'Lee','Jeff','Dogules','Alok'};

// making a single string with comma seprated from above list

String commaSepratedList='';

for(String str : tempList)

{

commaSepratedList += str + ',' ;

}

// remove last additional comma from string

commaSepratedList…

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A future method runs in the background, asynchronously. You can call a future method for executing long-running operations, such as callouts to external Web services or any operation you'd like to run in its own thread, on its own time.