VaR that = that

VaR that = this; in Javascript

You may find someone else wroteCodeThere is such a sentence: var that = This;, what does this mean?

In JavaScript, this indicates the current object.

VaR that = This is to copy the current this object to that variable. What is the significance of doing so?

$ ('# Zhetenga'). Click (function (){

// This is clicked # zhetenga

VaR that = this;

$ ('. Zhetenga'). Each (function (){

// This is the current object in the. zhetenga loop.

// That is still the one you just clicked # zhetenga

});

});

You can see that this object is stored inProgramAnd var that = this, that is still pointing to the current this before it is not changed, so that the original object will not be found.