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js efficient string assembly StringBuffer_javascript tips

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WBOYOriginal
2016-05-16 18:38:331456browse

function StringBuffer() {
this.array = new Array();
}

StringBuffer.prototype.append = function(value) {
this.array[this.array.length] = value;
return this;
}

StringBuffer.prototype.toString = function() {
var _string = this.array.join("");
return _string;
}

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