我创建了一个todo应用程序,但是当我在应用程序中显示虚拟数据时,它显示了这个错误。 Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined.
You likely forgot to export your component from the file it's defined in, or you might have mixed up default
我目前正在使用PhoneGap开发一个用于iPhone的webapp。我正在创建一个游戏,玩家必须记住他们的词汇。在我的部分代码中,iPhone在js中显示了一个提示符,播放器必须正确地写一个单词。我的代码:
var motPense = prompt('Which word are you thinking about ' + localStorage.joueur2 +' ?');
当我在一个游戏中工作时,你必须记住你的词汇,我想禁用“自动大写”,“自动完成”和“自动更正”,例如在如下的输入中:
<input type="text" a
我有一段代码:
const actions = $('.leaflet-draw-actions a:visible').length;
这会导致许多错误:
DOMException: Failed to execute 'querySelectorAll' on 'Document': '.leaflet-draw-actions a:visible' is not a valid selector.
at Function.Sizzle [as find] (...\node_modules\jquery\dist