javascript - How to add text to form input -



javascript - How to add text to form input -

i not sure start this. have form input box , submit button. when submit button pressed, form content submitted , used in javascript. want automatically add together text end of submission.

so if user inputs "the dog walked" , pressed submit, form add together "across street." end of submission.

thank you!!

in event listener form's submit action, alter input.

document.getelementbyid('theinputid').value = document.getelementbyid('theinputid').value + "across street."

javascript html

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