Help me plase whats rong ;;;; please

JavaScript
1

Tell us what’s happening:

Your code so far


function multiplyAll(arr) {
 var product = 1;
 // Only change code below this line
 for( var i=0;
i < arr.length;i++) {
 for ( var j=0; j < arr[i].length;j++) {
   product *= arr([i][j]);
 }
 }
   
   

 // Only change code above this line
 return product;
}

multiplyAll([[1,2],[3,4],[5,6,7]]);

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 9; SM-A105F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Mobile Safari/537.36.

Challenge: Nesting For Loops

Link to the challenge:

2 
TypeError: arr is not a function

means that you are using arr incorrectly. In this case, you wrote arr([i][j]), and this is not correct syntax. You don’t want the ().

You should try to be more careful with your syntax. For example, breaking the i for loop condition over two lines is making it hard to read your code. Focusing on clear syntax will help you make fewer errors like this.

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