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localStorage.setItem() and localStorage.getItem() can be used to Get and Set localStorage variable in Salesforce Lightning Aura Component.
Sample Code:
Component:
<aura:component implements="force:appHostable" >
<aura:handler name="init" value="{!this}" action="{!c.init}"/>
</aura:component>
Component JavaScript Controller:
({
init : function(component, event, helper) {
localStorage.setItem( 'exampleItem', 'Testing' );
console.log( 'exampleItem is', localStorage.getItem( 'exampleItem' ) );
}
})
Output:
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