Method 2 – Using the VBA ISEMPTY Function to Check If an Array Is Empty Steps: Follow the above-mentioned process to open a VBA module. Enter the following VBA code: Sub CheckWithIsEmpty() Dim MyArray() As Variant Dim G_sters As String Dim count As Integer ReDim MyArray(Range("D...
Sub CheckArrayIsEmpty() Dim arr() As Variant ' 初始化数组 ReDim arr(1 To 5) ' 判断数组是否为空 If IsArrayEmpty(arr) Then MsgBox "数组为空" Else MsgBox "数组不为空" End If End Sub Function IsArrayEmpty(arr As Variant) As Boolean IsArrayEmpty = IsEmpty(arr) Or UBound(arr) < L...
Sub CheckArray() Dim myArray() As Variant myArray = Array() ' 创建一个空数组 If IsArrayEmpty(myArray) Then MsgBox "数组为空" Else MsgBox "数组不为空" End If End Sub Function IsArrayEmpty(arr As Variant) As Boolean On Error Resume Next IsArrayEmpty = (Err.Number <> 0 Or UBound...
Sub CheckArrayIsEmpty() Dim json As Object Dim jsonArray As Object ' 假设JSON数据存储在单元格A1中 Dim jsonData As String jsonData = Range("A1").Value ' 创建JSON解析器对象 Set json = CreateObject("Scripting.Dictionary") ' 解析JSON数据 json("data") = JsonConverter.ParseJson(jsonData) '...
1. isset功能:判断变量是否被初始化说明:它并不会判断变量是否为空,并且可以用来判断数组中元素是否被定义过注意:当使用isset来判断数组元素是否被初始化过时,它的效率比array_key_exists高4倍左右$a = ''; $a['c'] = ''; if (!isset($a) ios判断数组元素非空...
varArray(1, 2) ' 定义一个两行三列的二维数组 varArray(0, 0) = "Mel Smith" varArray(0, 1) = "Fred Buckle" varArray(0, 2) = "Jane Eyre" varArray(1, 0) = "Accountant" varArray(1, 1) = "Secretary" varArray(1, 2) = "Doctor" ReDim Preverve varArray(1, 3) ' 重新定义...
The “j” variable is used as the loop counter. For j = LBound(MyArray) To UBound(MyArray) Within the inner For loop, an If statement is used to check if the sum of the current element of the “MyArray” array with the index “x” and the current element of the “MyArray” ...
MemoryArray MemoryConfiguration MemoryWindow MenuBar MenuItem MenuItemCustomAction MenuSeparator 合併 MergeChangeswithTool MergeModule MergeModuleExcluded MergeModuleReference MergeModuleReferenceExcluded 訊息 MessageBubble MessageError MessageLogTrace MessageOK MessageQueue MessageQueueError MessageQueueWarning MessageType...
IsArray (varname)必需的 varname 参数是指定变量的标识符。备注 “IsArray”在变量是数组时返回“True”；否则返回“False”。“IsArray” 对包含数组的变量尤其有⽤ ⽰例：此⽰例使⽤ IsArray 函数检查变量是否是数组。Dim MyArray(1 To 5) As Integer, YourArray, MyCheck ' Declare array variables...
How can I check if an array is empty? I've read references to IsEmpty being used with arrays but it always returns false on me. The only solution I've found is to use "if (not array)" but I don't understand how it works exactly... For example: When I run the program "tes...