multi string connection

JavaScript performance comparison

Test case created by Johnson Jiang

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var str = "h";
};
</script>

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Testing in unknown unknown
Test Ops/sec
str+=...
str += "e" + "l" + "l" + "o" + " " + "w" + "o" + "r" + "l" + "d";
pending…
str=str+...+...
str = str + "e" + "l" + "l" + "o" + " " + "w" + "o" + "r" + "l" + "d";
pending…
str=str.concat(..,..,..,..)
var str = "h";
str = str.concat("e", "l", "l", "o", " ", "w", "o", "r", "l", "d");
console.log(str)
pending…

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