The speed battle between String and StringBuffer in JavaScript

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The speed battle between String and StringBuffer in JavaScript_javascript tips

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May 16, 2016 pm 06:30 PM

stringstringbuffer

There is no StringBuffer class in Javascript when displaying the situation. A mainstream implementation of the Javascript StringBuffer class is to construct a StringBuffer class through prototype.
StringBuffer.js

Copy code The code is as follows:

 
 function StringBuffer(){ 
this.content = new Array; 
} 
StringBuffer.prototype.append = function( str ){ 
this.content.push( str ); 
} 
StringBuffer.prototype.toString = function(){ 
return this.content.join(""); 
} 

Now let us write a test case:
TestStringBUffer.html

Copy code The code is as follows:

test

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