Can't read excel file - using ajax/libs/xlsx/0.16.9/xlsx.js

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Javascript

I loaded [^] into 2 projects and use it to load Excel file. The code is

var workbook = XLSX.read(data, {  type: 'binary' });

In one project, I works fine, through debugging

<pre>XLSX.read
function Wg(e,r){l();if(typeof ArrayBuffer!=="undefined"&&e instanceof ArrayBuffer)return Wg(new Uint8Array(e),r);var t=e,a=[0,0,0,0],n=false;var i=r||{};if(i.cellStyles){i.cellNF=true;i.sheetStubs=true}lu={};if(i.dateNF)lu.dateNF=i.dateNF;if(!i.type)i.typ
    __proto__: 
function() {
    [native code]
}
    arguments: null
    caller: null
    length: 2
    prototype: {...}

But In another project, I goes failure, through debugging

XLSX.read
function readSync(data, opts) {
	reset_cp();
	if(typeof ArrayBuffer !== 'undefined' && data instanceof ArrayBuffer) return readSync(new Uint8Array(data), opts);
	var d = data, n = [0,0,0,0], str = false;
	var o = opts||{};
	if(o.cellStyles) { o.cellNF = tr
    __proto__: 
function() {
    [native code]
}

Those show that the XLSX.read function are called different in the 2 projects. How can the method be correctly called? Thanks.

What I have tried:

Tried in multiple ways but unsuccessful.