将javascript变量从父级传递到iframe

Question

So I have a variable in my page body like so:

<script>
   var myClick = false;
</script>

And a jquery ui dialog with iframe content. Now I want to check the variable on jquery ui dialog like -

<script>
   if(myClick == true){
      // code somthing
   }
</script>

What is the simplest way to do that?

Answer 1

If the iframe is on the same domain you can use window.parent.myClick

if (window.parent.myClick === true) {
  // code somthing
}

See Plunker example