js 效率组装字符串 StringBuffer
摘要：functionStringBuffer(){this.array=newArray();}StringBuffer.prototype.a...
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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