String Length in JavaScript

1// Method 1: Using length property
2let str = "Hello World";
3console.log("String:", str);
4console.log("Length:", str.length);
5
6// Method 2: Manual count using loop
7function stringLength(str) {
8    let count = 0;
9    for (let i = 0; i < str.length; i++) {
10        count++;
11    }
12    return count;
13}
14
15console.log("\nManual count:", stringLength("JavaScript"));
16
17// Method 3: Using split and length
18function stringLengthSplit(str) {
19    return str.split('').length;
20}
21
22console.log("Using split:", stringLengthSplit("Programming"));
23
24// Method 4: Count without spaces
25function stringLengthNoSpaces(str) {
26    return str.replace(/\s/g, '').length;
27}
28
29console.log("\nLength without spaces:", stringLengthNoSpaces("Hello World"));
30
31// Method 5: Count words
32function countWords(str) {
33    return str.trim().split(/\s+/).length;
34}
35
36console.log("Word count:", countWords("Hello World from JavaScript"));