printf function with javascript

index.html

<section>
	<h1>Command</h1>
	<pre class="source">printf('apple:{0}, banana:{1}, mango:{2}', 'red', 'yellow', 'green');</pre>
</section>

<section>
	<h1>Result</h1>
	<pre class="result"></pre>
</section>

<hr />

<p>
출처 : <a href="http://stackoverflow.com/q/4974238" target="_blank">http://stackoverflow.com/q/4974238</a>
</p>

printf-function-with-javascript.markdown

printf function with javascript

파이썬이나 C에서 사용되는 printf 함수같은것을 사용할일이 생겨서 만들게 된 함수

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License.

script.js

/**
 * printf
 *
 * @param {string} str
 * @param {string} values
 */
function printf(str, ...values)
{
	for (let i = 0; i < values.length; i++)
	{
		let pattern = `\\{${i}\\}`;
		let replace = new RegExp(pattern, 'g');
		str = str.replace(replace, values[i]);
	}
	return str;
}


// action
var result = printf('apple:{0}, banana:{1}, mango:{2}', 'red', 'yellow', 'green');
document.querySelector('.result').innerHTML = result;

style.scss

.source, .result {
	border: 1px solid #ccc;
	padding: 15px;
}