
No more than code.
Math.random().toString(16).substring(2) // "83c8811d44a5a"
Math.random().toString(36).substring(2) // "tj2tqwrfahe"
简化前:”myString”.charAt(0);
简化后:”myString”[0]; // 返回 ‘m’
number.toString(radix)
Never forget why you started, and your goal can be reached.