var needsEscape = "ExtJS's String Class will escape this";
var needsTrimming = " Needs trimming ";
var cls = 'color-class'
var color = 'Blue';
var sort = 'ASC';
var sample = "some text";
var longText = "This text should be truncated, it's really long.";
var withScript = 'Some text<script type="text/javascript">var color = "Blue";<\/script>';
var longText = "Only a part of this text is needed.";
var multiLineText = "One line\nAnother line\nYet another line";
var money = 29.99;
var sample1 = '22';
var sample2 = '550';
var sample3 = '1500';

var escaped = String.escape(needsEscape);
document.write(escaped + '<br/>');
// The escaped string is "ExtJS\'s String Class will escape this".
var trimmed = needsTrimming.trim();
document.write(trimmed + '<br/>');
// the trimmed string is "Needs trimming"
var formatted = String.format('<span class="{0}">{1}</span>', cls, color);
document.write(formatted + '<br/>');
// formatted is '<div class="color-class">Color</div>'
sort = sort.toggle('ASC', 'DESC');
document.write(sort + '<br/>');
// instead of conditional logic:
//sort = (sort == 'ASC' ? 'DESC' : 'ASC');
var converted = Ext.util.Format.uppercase(sample);
document.write(converted + '<br/>');
// converted is now "SOME TEXT".
sample = "SOME TEXT";
converted = Ext.util.Format.lowercase(sample);
// converted is now "some text".
document.write(converted + '<br/>');
sample = "some text";
converted = Ext.util.Format.capitalize(sample);
document.write(converted + '<br/>');
// converted is now "Some text".
var truncated = Ext.util.Format.ellipsis(longText, 20);
document.write(truncated + '<br/>');
// truncated is "This text should ...".
// Removing script tags
var noScript = Ext.util.Format.stripScripts(withScript);
document.write(noScript + '<br/>');
// noScript is "Some text".
// Returning a portion of a string
var subString = Ext.util.Format.substr(longText, 0, 11);
document.write(subString + '<br/>');
// subString is "Only a part".
// Converting newline characters to the html tag <br/>
var html = Ext.util.Format.nl2br(multiLineText);
document.write(html + '<br/>');
// html is
// One line
// Another line
// Yet another line
var usCurrency = Ext.util.Format.usMoney(money);
document.write(usCurrency + '<br/>');
// usCurrency is $29.99
// Normalizing strings
var normalized1 = String.leftPad(sample1, 4, '0');
// normalized1 is '0022'
var normalized2 = String.leftPad(sample2, 4, '0');
// normalized3 is '0550';
var normalized3 = String.leftPad(sample3, 4, '0');
// normalized2 is '1500'
document.write(normalized1 + '<br/>');
document.write(normalized2 + '<br/>');
document.write(normalized3 + '<br/>');