how to limit number of characters to display javascript code example

Example 1: limit characters display javascript

var str = 'Some very long string';
if(str.length > 10) str = str.substring(0,10);

Example 2: how to limit characters in number input js

function limit(element)
{
    var max_chars = 2;

    if(element.value.length > max_chars) {
        element.value = element.value.substr(0, max_chars);
    }
}


<!-- HTML -->
<input type="number" onkeydown="limit(this);" onkeyup="limit(this);">

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