javascript - document.getElementById("id") in onchange parameter -

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i working on erp program needto write data to , from database. here send data input field, therefore call specific javascript function on onchange event.
add value of element onchange parameter 

onchange="myfunction(document.getelementbyid("myid"))"

i tried not work:

onchange="myfunction(document.getelementbyid(\"myid\"))"

how do this?

use 

onchange="myfunction(document.getelementbyid('myid'))"

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