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Combine multiple similar JavaScript functions into one

I'm creating an extension that requires copying to clipboard, but I don't want to have 18 different functions that do (pretty much) the exact same thing.

This is the function that I wrote:

function copyS1_1() {
    var letter_to_copy = document.getElementById('textarea-S1-1');
    letter_to_copy.select();
    navigator.clipboard.writeText(letter_to_copy.value);
}
function copyS1_2() {
    var letter_to_copy = document.getElementById('textarea-S1-2');
    letter_to_copy.select();
    navigator.clipboard.writeText(letter_to_copy.value);
}

Each function is called 'copyS#_#' for 'Section' then the number in that section. I don't want to have 18 of these, so I'm looking for a way to simplify it down to 3 functions (one for each Section, there's 3.)

about 4 years ago · Juan Pablo Isaza
3 answers
Answer question

0

You can do this with template literals and function arguments.

function copyFuncForAny(num1, num2) {
    var letter_to_copy = document.getElementById(`textarea-S${num1}-${num2}`);
    letter_to_copy.select();
    navigator.clipboard.writeText(letter_to_copy.value);
}

copyFuncForAny(1, 1);
copyFuncForAny(1, 2);

about 4 years ago · Juan Pablo Isaza Report

0

You could add a parameter:

function copyS1(id) {
    var letter_to_copy = document.getElementById('textarea-S1-' + id);
    letter_to_copy.select();
    navigator.clipboard.writeText(letter_to_copy.value);
}

Use like this:

copyS1(1)
copyS1(2)
...
about 4 years ago · Juan Pablo Isaza Report

0

its simple just your own function like this

function copyText(id) {
    var letter_to_copy = document.getElementById(id);
    letter_to_copy.select();
    navigator.clipboard.writeText(letter_to_copy.value);
}

use it as many time as you want.

about 4 years ago · Juan Pablo Isaza Report
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