Array Join vs String Concatenation

JavaScript performance comparison

Revision 2 of this test case created

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http://redd.it/10pc5p

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Test Ops/sec
Array Join
 
var name = 'Bob';
var text = [];
var x = Math.floor(Math.random(10000));

text.push('Hello ', x++);
text.push(name, x++);
text.push(" how's your day going?", x++);
text.push('My day is going fine thanks ', x++);
text.push(name, x++);

text = text.join('');
 pending…
String Concatenation
 
var name = 'Bob';
var text = '';
var x = Math.floor(Math.random(10000));

text += 'Hello ' + x++;
text += name + x++;
text += " how's your day going?" + x++;
text += 'My day is going fine thanks ' + x++;
text += name + x++;
 pending…

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