Javascript 如果我在地图中单击不同的标记,如何删除以前的infobubble?

Javascript 如果我在地图中单击不同的标记,如何删除以前的infobubble?,javascript,here-api,Javascript,Here Api,下面是我添加infobubble的代码。我想在单击(轻触)其他标记后删除当前的infobubble function addInfoBubble(map) { var group = new H.map.Group(); map.addObject(group); // add 'tap' event listener, that opens info bubble, to the group group.addEventListener('tap',

下面是我添加infobubble的代码。我想在单击(轻触)其他标记后删除当前的infobubble

function addInfoBubble(map) 
    {
    var group = new H.map.Group();
    map.addObject(group);
    // add 'tap' event listener, that opens info bubble, to the group
    group.addEventListener('tap', function(evt) {
    // event target is the marker itself, group is a parent event target
    // for all objects that it contains
    var bubble = new H.ui.InfoBubble(evt.target.getPosition(), {
    // read custom data
    content: evt.target.getData()
    });
    // show info bubble
    ui.addBubble(bubble);
    }, false);
    }

如果单击其他标记,我应该将代码行
ui.removeBubble(bubble)
放置在何处?

您可以在添加新标记之前从ui中删除所有InfoBubble。如果您不介意删除当前显示的所有气泡,类似这样的操作应该会起作用:

ui.getBubbles().forEach(bub => ui.removeBubble(bub));
将其合并到您的代码中:

function addInfoBubble(map) {
   var group = new H.map.Group();
   map.addObject(group);
   // add 'tap' event listener, that opens info bubble, to the group
   group.addEventListener('tap', function(evt) {
      // event target is the marker itself, group is a parent event target
      // for all objects that it contains
      var bubble = new H.ui.InfoBubble(evt.target.getPosition(), {
        // read custom data
        content: evt.target.getData()
      });
      //remove infobubbles
      ui.getBubbles().forEach(bub => ui.removeBubble(bub));

      // show info bubble
      ui.addBubble(bubble);
   }, false);
}

以下是您可以做的更深入的总结:

删除上次创建的infobubble:

ui.removeBubble(bubbles[bubbles.length - 1])
bubbles[bubbles.length - 1].close()
ui.removeBubble(bubbles[0])
关闭创建的第一个infobubble:

ui.removeBubble(bubbles[bubbles.length - 1])
bubbles[bubbles.length - 1].close()
ui.removeBubble(bubbles[0])
删除创建的第一个infobubble:

ui.removeBubble(bubbles[bubbles.length - 1])
bubbles[bubbles.length - 1].close()
ui.removeBubble(bubbles[0])
关闭所有气泡:

bubbles.forEach((bubble) => {
    bubble.close()
});
清除所有气泡

while(bubbles.length > 0) {
   this.ui.removeBubble(bubbles[0])
}
单击infobubbles,您可以尝试这些