An example of what that means in javascript

  • 2020-03-30 02:57:46
  • OfStack

You might find someone else writing code that says: var that = this; What does that mean?

In javascript, this represents the current object.

Var that=this simply copies the current this object into that variable. What's the point?

//This is the clicked #zhetenga
var that = this; 
//This is the current object in the.zhetenga loop
//That is still the #zhetenga that was just clicked

As you can see, this object can change at any time in the program, and after var that=this, it still points to the current this before that is changed, so that the original object cannot be found.

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