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Building strings

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example.js
JavaScript
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// String concatenation
 
var stringBuilder = '';
 
for (var i = 0, len = 30; i < len; i++) {
stringBuilder += 'word' + i;
}
 
console.log(stringBuilder);
 
// Array joining, faster in some browsers
 
var stringBuilder = [];
 
for (var i = 0, len = 30; i < len; i++) {
stringBuilder.push('word' + i);
}
 
console.log(stringBuilder.join(''));

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