HTML DOM indexedDB cmp() Method
The indexedDB cmp() method is used to compare two values as keys to determine equality and ordering for further IndexedDB operations.
Syntax:
var result = indexedDB.cmp(key1, key2);
Parameters:
- key1: The first key to compare.
- key2: The second key to compare.
Return value: It returns an integer that indicates the result of the comparison.
| Returned value | Description |
|---|---|
| -1 | Key 1 < Key 2 |
| 0 | Key 1 = Key 2 |
| 1 | Key 1 > Key 2 |
Example: In this example, we will compare two keys using this method.
<!DOCTYPE HTML> <html> <head> <title>indexedDB cmp() method</title></head> <body style="text-align:center;"> <h1 style="color:green;"> GeeksforGeeks </h1> <p> HTML | indexedDB cmp() method </p> Enter First Number : <input type="number" id="fir"><br><br> Enter Second Number : <input type="number" id="sec"><br><br> <button onclick = "Geeks()"> Click to Compare </button> <p id="a"> </p> <script> var a = document.getElementById("a"); function Geeks() { var fir = document.getElementById("fir").value; var sec = document.getElementById("sec").value; var result = window.indexedDB.cmp(fir, sec); if(result==0){ a.innerHTML = "Both are equal"; } else if(result==1){ a.innerHTML = "a is greater"; } else{ a.innerHTML = "b is greater"; } } </script> </body> </html> |
Output:
Before Button Click:
After Button Click:
Supported Browsers:
- Google Chrome
- Edge
- Firefox
- Safari
- Opera
- Internet Explorer (Partial Support)
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