I'm trying to grasp why the value of d1 changes in each alert(). Any insights would be greatly appreciated. Thanks!
<script>
d1 = new Date("01/01/2015");
d2 = d1;
alert(d1);
d2.setDate(d2.getDate()+10);
alert(d1);
</script>
I'm trying to grasp why the value of d1 changes in each alert(). Any insights would be greatly appreciated. Thanks!
<script>
d1 = new Date("01/01/2015");
d2 = d1;
alert(d1);
d2.setDate(d2.getDate()+10);
alert(d1);
</script>
When dealing with objects, because they are reference types, the line of code d2 = d1 actually passes a pointer to d1 over to d2. Therefore, when you execute d2.setDate(d2.getDate()+10);, it is essentially the same as if you had edited d1.setDate(d1.getDate()+10);.
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