JavaScript – Check and uncheck Checkboxes

Code:

function check(field) {

for (i = 0; i < field.length; i++) {

field[i].checked = true;

}

function uncheck(field) {

for (i = 0; i < field.length; i++) {

field[i].checked = false;

}

</script>

<p>

<b>Your Favorite Scripts & Languages</b><br>

<input type="checkbox" name="list" value="2">Python<br>

<input type="checkbox" name="list" value="5">JavaScript<br>

</p>

<p>

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