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Javascript 2022-02-06 16:10:31
.index of javascript
//indexOf getting index of array element, returns -1 if not found var colors=["red","green","blue"]; var pos=colors.indexOf("blue");//2 //indexOf getting index of sub string, returns -1 if not found var str = "... Add solution -
Javascript 2021-10-23 04:41:12
js indexof string
//indexOf getting index of array element, returns -1 if not found var colors=["red","green","blue"]; var pos=colors.indexOf("blue");//2 //indexOf getting index of sub string, returns -1 if not found var str = "... Add solution -
Java 2021-10-19 09:19:09
arraylist how to add at 0 java
//The add(int index, E element) method of Java ArrayList class //inserts a specific element in a specific index of ArrayList. //It shifts the element of indicated //index if exist and subsequent elements to the right. List<String> colors = new Ar... Add solution