node.js - Node Webkit - Options for encoding in writeFileSync not work? -

i beginner.

i want write html file containing chinese characters in utf8 encoding. found following code internet.

fs.writefilesync(target, generatehtml(), "utf8"); 

though when read documentation, didn't explicitly can add encoding flag. generatehtml() returns html string.

however, following characters "返回" became this: "活動" in file. sure encoding error.

am using wrong function? how can write file in sync using proper utf-8?

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edit

the fs.writefilesync worked alone well, not when content returned function. please try this:

function generatehtml(){return "返回"} fs.writefilesync("index.html", generatehtml(), "utf8"); 

the file contains ԏ in utf-8 format, not intended content.

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edit

i tested installed node.js version , working properly. seems have node webkit.

i'll include version later. time here not convenient me.

the solution set working node-webkit application page have utf-8 encoding. have add page:

<meta charset="utf-8"> 

it turns out simple yet i've missed.