Python3 execute JavaScript script, js2py tutorial

Introduction: Js2py Installation Library Now many Web sites have started to use JS encryption technology, so this library must be learned, or you will not be able to play with the tutorial js2py execute a single statement JS2PY executive function Summary: Now many of the Web site is writing crawlers to use JS encryption technology, so this library must learn ..

Executes the JS code in the JS file

The code in the JS file

function enString(data){
        var key1 = "YHXWWLKJYXGS";
        var key2 = "ZFCHHYXFL10C";
        var key3 = "DES";
        var enchex = key1+key2+key3+data
        return enchex;
}

Python code

import js2py

data=open(‘sjtest.js‘,‘r‘,encoding= ‘utf8‘).read()
print(type(data))
data=js2py.eval_js(data)
print(data(‘1234569‘))
result：

<class ' str ' >
yhxwwlkjyxgszfchhyxfl10cdes1234569

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Python3 execute JavaScript script, js2py tutorial