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<html><body><h1>JavaScript Strings</h1><h2>The lastIndexOf() Method</h2><p>lastIndexOf() returns the index of the last occurrence of a specified value in a string.</p><p>Find the last occurence of "planet", starting at position 20:</p><p id="demo"></p><script>let text = "Hello planet earth, you are a great planet.";let result = text.lastIndexOf("planet", 20);document.getElementById("demo").innerHTML = result;</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_lastindexof2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:18:41 GMT --></html>