JS Methods

gistfile1.js

var object = "String cat object";

var length = object.length;

alert(length);

var index = object.indexOf("t");
var index2 = object.indexOf("t", index + 1);

alert ("First t " + index);
alert ("Second t " + index2);



// lastIndexOf
var lastIndex = object.lastIndexOf("t");

alert(lastIndex);


// substring

var indexOfSubstring = object.indexOf("cat");
var substring = object.substr(indexOfSubstring, 3);

var substringo = object.substring(11, 14);

alert (substring);
alert ("substringo " + substringo);

// replace

var newString = object.replace("cat", "dog");

alert ("Old string: " + object);
alert ("New string: " + newString);


// upper/lowercase

var myLowerUpper = "I am a String for Upper and Lower Cases";

var upper = myLowerUpper.toUpperCase();
var lower = myLowerUpper.toLowerCase();

alert(upper);
alert(lower);
alert(myLowerUpper);