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Global variable at top of the JavaScript file

user655 Published in July 18, 2018, 10:21 pm

Say I declare a global JavaScript variable at the top of a JavaScript file to equal 0


var jVar=0; 

Then I call a function in the JavaScript to set that variable to 1 ie.

function setVarToOne(){

If I then reload the page what will the variable equal before the setVarToOne function is called ?

Will the jVar keep the value it was set to in the function or will it be re-initialised to 0?

What I need to understand is, what happens to JavaScript variables when the page is reloaded?


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