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<!DOCTYPE html> <html> <body> <p>The localeCompare method returns a number indicating whether str1 comes before, after or is the same as str2 in sort order.</p> <ul> <li>Returns -1 if str1 is sorted before str2</li> <li>Returns 0 if the two strings are equal</li> <li>Returns 1 if str1 is sorted after str2</li> </ul> <p>Click the button to compare the two strings in the current locale.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var str1 = "ab"; var str2 = "cd"; var n = str1.localeCompare(str2); document.getElementById("demo").innerHTML = n; } </script> </body> </html>