javascript reverse a string
function reverseString(s){
return s.split("").reverse().join("");
}
reverseString("Hello");//"olleH"javascript reverse a string
function reverseString(s){
return s.split("").reverse().join("");
}
reverseString("Hello");//"olleH"javascrip reverse text
//more compact way:
"my example text".split("").reverse().join("");js revers string fucntion
return str.split("").reverse().join("");javascript reverse string
function reverseString(str) {
return str.split("").reverse().join("");
}
reverseString("hello");javascript reverse string
function reverseString(str) {
if (str === "")
return "";
else
return reverseString(str.substr(1)) + str.charAt(0);
}
reverseString("hello");javascript reverse string
function reverseString(str) {
// Step 1. Create an empty string that will host the new created string
var newString = "";
// Step 2. Create the FOR loop
/* The starting point of the loop will be (str.length - 1) which corresponds to the
last character of the string, "o"
As long as i is greater than or equals 0, the loop will go on
We decrement i after each iteration */
for (var i = str.length - 1; i >= 0; i--) {
newString += str[i]; // or newString = newString + str[i];
}
/* Here hello's length equals 5
For each iteration: i = str.length - 1 and newString = newString + str[i]
First iteration: i = 5 - 1 = 4, newString = "" + "o" = "o"
Second iteration: i = 4 - 1 = 3, newString = "o" + "l" = "ol"
Third iteration: i = 3 - 1 = 2, newString = "ol" + "l" = "oll"
Fourth iteration: i = 2 - 1 = 1, newString = "oll" + "e" = "olle"
Fifth iteration: i = 1 - 1 = 0, newString = "olle" + "h" = "olleh"
End of the FOR Loop*/
// Step 3. Return the reversed string
return newString; // "olleh"
}
reverseString('hello');Copyright © 2021 Codeinu
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