javascript - Displaying Prime Numbers Using document.write() -


I have an assignment for school that I think

write a script which is 1 And between 999, the Prime Minister prints the numbers in a table, which has 10 columns. To create tables, document elements and a> document to create counter variables. Use the written () statement so that it can create 10 columns. Counter> variable should start with the starting value of 0 and every time your> code recognizes a prime number and prints it in a table cell, then it should be increased. Once the counter variable> value of 10 (i.e. 10 cells have been added to the existing row), print> to start a new line and reset the variable to 0.

I can not detect where my error or errors with the table row and counter are, besides, I might have written the document in the wrong place. Currently, the table only displays vertically

What do I have here: 

  & lt; Script & gt; Function Primary Buzz (num) {document.write ('& lt; Table & gt;'); If (num & lt; 2) return false; (Var i = 2; i & lt; num; i ++) for {if (num% i == 0) returns false; } Back true; } Document.write ('& lt; tr & gt;'); Var counter = 0; {If (prime i) = (i & lt; 999; i ++) {If (Primary Banz (I)) {If (counter% 10 == 0) {document.write ('& lt; / tr & gt; ; & Lt; tr & gt; '); Counter = 0; } Counter ++; Document.write ('& lt; td>' + i + ''); }} Document.write ('& lt; / table & gt;'); & Lt; / Script & gt;

Please, press me in the right direction and do not answer me. I have to see that I can understand it.

Thank you!

There were some errors in your code:

  • inside the function & lt; Table & gt; was an opener, so in fact it was opening 1000 times.
  • The counter is reset, so you do not need to use the modulus (% ), just compare 10.
  • One
  • Your function is incorrectly named primenumbers , the best call isPrime

here Code: 

  function isPrime (num) {if (num & lt; 2) return false; (Var i = 2; i & lt; num; i ++) for {if (num% i == 0) returns false; } Back true; } Document.write ("& lt; Table & gt; & lt; tr & gt;"); Var counter = 0; For (var i = 0; i & lt; 999; i ++) {if (prime): {if (counter == 10) {document.write ('& lt; / tr & gt; & lt; ; Tr & gt; '); Counter = 0; } Counter ++; Document.write ('& lt; td>' + i + ''); }} Document.write (' & lt; / table & gt;');

Here's the work of Bela (I can not use the document. Write here but you get this idea)


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