javascript get first character of string
var str="Hello Folks!"
var firstStringChar = str.charAt(0); //Hjavascript get first character of string
var str="Hello Folks!"
var firstStringChar = str.charAt(0); //Hindexof javascript
//indexOf - JS method to get 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 = "We got a poop cleanup on isle 4.";
var strPos = str.indexOf("poop");//9
//Eg with material ui
<Checkbox
checked={value.indexOf(option) > -1}
value={option}
/>Copyright © 2021 Codeinu
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