Application to verify code in Javascript [closed] - javascript

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I had found this page and I would like to know how this editor is working, in example:
Some task to write alert(); but If you write alert("lol"); then too is ok, and you can pass to next task,
How this editor is verifies the correctness? Any example? example can be realy simply

It simply runs your code with small JS tests to check if your code is correct.
Example :
Step 4 : Assign value "Gregg" to firstname. (var firstname = "Gregg")
It simply has to check if firstname has been assigned a value.

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Is writing HTML values the same as writing Javascript into HTML? [closed]

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For my project I am not allowed to write any JavaScript into my HTML according to my teacher. That would mean that I am not allowed to write features like onClick in my HTML. I want to check a answer with the if statement by giving my buttons value's, but isn't that also seen as writing JavaScript into HTML?
I know the best thing to do would be contact my mentor, but I want to know your answer/opinion on this.
you can use JS function to get elements from the HTML such as document.getElementById or document.querySelector and bind them an event listener.
you can read more about on MDN

Javascript: Alert() if js matches specific URL [closed]

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So I am developing a Quizizz cheat script that runs on plain JS it works, but the only problem is that I don't want it to be executed unless it matches the URL https://quizizz.com/join/game/ and if possible display an alert "Valid Game Found".
If you need the code I would post it but only if necessary, not because I don't want to share but I don't want to get hate if you get banned
Check the window.location.href like so
if(window.location.href === 'https://quizizz.com/join/game/'){
alert('Valid game found')
}

Came across a javascript code, which I can't read [closed]

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I came across this java script code and I don't know how I encode it. Here is a part of it:
var _0x6ah4=['a22uo1w=','a2VlcC1h2ZQ==','YMA0aG9y8XVlML==','Z3cCwgZGVmHBbG0ZQ==','Qk1OQ04=','enNHYAM=','P0ASTmI=','RkVPOE9=','Y2AQUEc=']
Can somebody tell me how to convert this into readable code?
var _0x6ah4=['a22uo1w=','a2VlcC1h2ZQ==','YMA0aG9y8XVlML==','Z3cCwgZGVmHBbG0ZQ==','Qk1OQ04=','enNHYAM=','P0ASTmI=','RkVPOE9=','Y2AQUEc=']
Its simple.
variable name _0x6ah4 ,
its an array containing 9 elements.
You can fetch the data using foreach, if you want.
var _0x6ah4=['a22uo1w=','a2VlcC1h2ZQ==','YMA0aG9y8XVlML==','Z3cCwgZGVmHBbG0ZQ==','Qk1OQ04=','enNHYAM=','P0ASTmI=','RkVPOE9=','Y2AQUEc='];
for (var line=1; line<_0x6ah4.length; line++) {
console.log(_0x6ah4[line]);
//if you need to decode , do it here
}

How can I decode this JavaScript code? [closed]

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I want to decode the following script but can't seem to get it in working state.
I tried to decode it on http://ddecode.com/hexdecoder/ but can't understand the first few lines.
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Sort Meteor Collection First By Specific Value [closed]

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I am building an application where I want to filter a returned collection based on a specific name, where the current Meteor.user().username always shows first in the returned list. I want to do something like this:
Lists.find({}, {sort : {user: Meteor.user().username}});
From input from #BatScream, I ended up doing two different querys. One where I looked for the specific username and a second where I looked for all others besides the user name. After I just combined the two querys.
Lists.find({user: Meteor.user().username});
&&
Lists.find({user: {$ne : Meteor.user().username});

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