JavaScriptObfuscator是一款功能强大的代码混淆器，能将原始代码混淆成可读性低的代码，看上去是难以阅读的代码不过具备和之前代码一样的功能，从而起到保护代码的作用。
特性
重命名变量字符串提取和加密注入死代码控制流扁平化代码转换……使用示例
varJavaScriptObfuscator=require('javascript-obfuscator');varobfuscationResult=JavaScriptObfuscator.obfuscate(`(function(){varvariable1='5'-3;varvariable2='5'+3;varvariable3='5'+-'2';varvariable4=['10','10','10','10','10'].map(parseInt);varvariable5='foo'+1+1;console.log(variable1);console.log(variable2);console.log(variable3);console.log(variable4);console.log(variable5);})();`,{compact:false,controlFlowFlattening:true,controlFlowFlatteningThreshold:1,numbersToExpressions:true,simplify:true,stringArrayShuffle:true,splitStrings:true,stringArrayThreshold:1});console.log(obfuscationResult.getObfuscatedCode());/*var_0x9947=['map','log','foo\x20','bvmqO','133039ViRMWR','xPfLC','ytpdx','1243717qSZCyh','2|7|4|6|9|','1ErtbCr','1608314VKvthn','1ZRaFKN','XBoAA','423266kQOYHV','3|0|5|8|1','235064xPNdKe','13RUDZfG','157gNPQGm','1639212MvnHZL','rDjOa','iBHph','9926iRHoRl','split'];function_0x33e4(_0x1809b5,_0x37ef6e){return_0x33e4=function(_0x338a69,_0x39ad79){_0x338a69=_0x338a69-(0x1939+-0xf*0x1f3+0x1*0x469);var_0x2b223a=_0x9947[_0x338a69];return_0x2b223a;},_0x33e4(_0x1809b5,_0x37ef6e);}(function(_0x431d87,_0x156c7f){var_0x10cf6e=_0x33e4;while(!![]){try{var_0x330ad1=-parseInt(_0x10cf6e(0x6c))*-parseInt(_0x10cf6e(0x6d))+-parseInt(_0x10cf6e(0x74))*-parseInt(_0x10cf6e(0x78))+parseInt(_0x10cf6e(0x6a))+-parseInt(_0x10cf6e(0x70))+parseInt(_0x10cf6e(0x6e))*-parseInt(_0x10cf6e(0x75))+parseInt(_0x10cf6e(0x72))+-parseInt(_0x10cf6e(0x67))*parseInt(_0x10cf6e(0x73));if(_0x330ad1===_0x156c7f)break;else_0x431d87['push'](_0x431d87['shift']());}catch(_0x9f878){_0x431d87['push'](_0x431d87['shift']());}}}(_0x9947,-0xb6270+0x4dfd2*0x2+0x75460*0x2),function(){var_0x1f346d=_0x33e4,_0x860db8={'ytpdx':_0x1f346d(0x6b)+_0x1f346d(0x71),'bvmqO':function(_0x560787,_0x519b9e){return_0x560787-_0x519b9e;},'rDjOa':function(_0x4501fe,_0x2b07a3){return_0x4501fe+_0x2b07a3;},'xPfLC':function(_0x5f3c9b,_0x434936){return_0x5f3c9b+_0x434936;},'XBoAA':function(_0x535b8a,_0x42eef4){return_0x535b8a+_0x42eef4;},'iBHph':_0x1f346d(0x65)},_0x346c55=_0x860db8[_0x1f346d(0x69)][_0x1f346d(0x79)]('|'),_0x3bf817=0x4bb*0x1+0x801+-0xcbc;while(!![]){switch(_0x346c55[_0x3bf817++]){case'0':console[_0x1f346d(0x7b)](_0x4c96d8);continue;case'1':console[_0x1f346d(0x7b)](_0x101028);continue;case'2':var_0x65977d=_0x860db8[_0x1f346d(0x66)]('5',-0x586+-0x2195+-0x6*-0x685);continue;case'3':console[_0x1f346d(0x7b)](_0x65977d);continue;case'4':var_0x56d39b=_0x860db8[_0x1f346d(0x76)]('5',-'2');continue;case'5':console[_0x1f346d(0x7b)](_0x56d39b);continue;case'6':var_0x544285=['10','10','10','10','10'][_0x1f346d(0x7a)](parseInt);continue;case'7':var_0x4c96d8=_0x860db8[_0x1f346d(0x68)]('5',0x622*-0x6+0x4a*0x3+0x1*0x23f1);continue;case'8':console[_0x1f346d(0x7b)](_0x544285);continue;case'9':var_0x101028=_0x860db8[_0x1f346d(0x6f)](_0x860db8[_0x1f346d(0x6f)](_0x860db8[_0x1f346d(0x77)],0x6fb*0x5+0x1ebf*0x1+-0x41a5),0x209*0xa+0x1314+-0x276d);continue;}break;}}());*/
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