I used pop instead of shift at the end because of the order of evaluation.

在结尾使用pop而不是shift，是因为计算的顺序。

youdao

Precedence or operator strength determines order of evaluation; an operator with higher precedence is evaluated before one of lower precedence.

优先级或者说操作符的强度决定求值顺序；优先级高的操作符比优先级低的操作符先求值。

youdao

Expressions like the one above must be avoided. When in doubt, break a large expression into multiple statements to ensure that the order of evaluation is correct.

像上面一样的表达式应该避免。当有歧义时，将一个复杂的表达式分解成多个陈述以保证赋值的顺序是正确的。

youdao

After the completion of both programmes, students are required to take a final exam in order to accredit their learning through the System of Evaluation and Certification of Studies.

UNESCO: Country Profile: Chile

For all the difficulty of doing a rigorous evaluation in order to improve teaching performance across the board, I suspect it is a whole lot easier to identify the worst teachers in the school.

FORBES: Getting Rid of Bad Teachers

This type of evaluation involves identifying what is not working in order to fix it.

FORBES: The Counterproductive Attack on NYC's School of One