JavaInt32Array Constructors Methods Clear CopyFrom CopyTo CreateMarshaledValue GetElements IndexOf JavaInt64Array JavaInterfaceDefaultMethodAttribute JavaLibraryReferenceAttribute JavaObject JavaObjectArray<T>
IJavaPeerable IJniNameProviderAttribute JavaArray<T> JavaBooleanArray JavaCharArray JavaCharArray Constructors Methods Clear CopyFrom CopyTo CreateMarshaledValue GetElements IndexOf JavaDoubleArray JavaException JavaInt16Array JavaInt32Array JavaInt64Array JavaInterfaceDefaultMethodAttribute JavaLibraryReference...
JavaInt16Array JavaInt32Array JavaInt64Array JavaInterfaceDefaultMethodAttribute JavaLibraryReferenceAttribute JavaObject JavaObjectArray<T> JavaObjectExtensions JavaPeerableExtensions JavaPrimitiveArray<T> JavaSByteArray JavaSingleArray JavaSingleArray 建構函式 方法 Clear CopyFrom CopyTo CreateMarshaledValue Get...
ThelastIndexOf()method returns the last index (position) of a specified value. ThelastIndexOf()method returns -1 if the value is not found. ThelastIndexOf()starts at a specified index and searches from right to left (from the given postion to the beginning of the array). ...
in operator// b. Let kPresent be the result of calling the// HasProperty internal method of o with argument Pk.// This step can be combined with c// c. If kPresent is true, then// i. Let elementK be the result of calling the Get// internal method of o with the argument ...
The indexOf() method returns the position of the first occurrence of a value in the list. If the item is not found in the list then it returns -1.Syntaxpublic int indexOf(Object item)Parameter ValuesParameterDescription item Required. The item to search for in the list....
StringBuilder.IndexOf Method Reference Feedback Definition Namespace: Java.Lang Assembly: Mono.Android.dll Overloads 展開資料表 IndexOf(String, Int32) Searches for the index of the specified character. IndexOf(String) Searches for the first index of the specified character. ...
当使用indexOf()方法在字符串中查找空格时,如果该方法返回-1,表示未找到空格。indexOf()方法是JavaScript中用于查找字符串中指定字符或子字符串的方法之一。 概念: index...
TheindexOf()method returns the first index of occurance of anarrayelement, or-1if it is not found. Example letlanguages = ["Java","JavaScript","Python","JavaScript"]; // get the index of the first occurrence of "JavaScript"letindex = languages.indexOf("JavaScript"); ...
method of o with the argument ToString(k). // ii. Let same be the result of applying the // Strict Equality Comparison Algorithm to // searchElement and elementK. // iii. If same is true, return k. if (k in o && o[k] === searchElement) { return k; } k++; } return -1...