javascript get last character in string
var hello = "Hello World";
var lastCharOfHello=hello.slice(-1);//djavascript get last character in string
var hello = "Hello World";
var lastCharOfHello=hello.slice(-1);//djavascript charat
/*
charAt() method
This method takes in a string and an index as input
and returns the character at that position in the specified string
*/
myString = "Hello World!";
console.log(myString.charAt(0)); // outputs "H"
console.log(myString.charAt(5)); // outputs " "
console.log(myString.charAt(8)); // outputs "r"
// If the specified index is bigger or equal to the length of the string,
// the output will be "".
console.log(myString.charAt(23)); // outputs ""javascript indexof
//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 = "We got a poop cleanup on isle 4.";
var strPos = str.indexOf("poop");//9js find index of string in string
// Find the index of a string in a given sentence
function findNemo(sentence) {
let indexOfFirst = sentence.split(' ').indexOf('Nemo') + 1;
if(indexOfFirst >= 0){
return `I found Nemo at ${indexOfFirst}!`;
}
return ("I can't find Nemo :(");
}
console.log(findNemo("I am finding Nemo !")); //"I found Nemo at 4!"
console.log(findNemo("Nemo is me")); //"I found Nemo at 1!"
console.log(findNemo("I Nemo am")); //"I found Nemo at 2!".index of javascript
let monTableau = ['un', 'deux','trois', 'quatre'] ;
console.log(monTableau.indexOf('trois')) ;Copyright © 2021 Codeinu
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