Cloud Studio代码运行 window.a='全局变量a'varscriptStr="console.log(window.a)";eval(scriptStr);letfunc=newFunction(scriptStr);func(); **结果对比:**两个都能访问到,且能执行脚本 作用域 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 functiontest(){vara='局部变量a'varscriptStr="...
我们对 webpack 做一些配置,devtool 是专门配置 source-map 的。 hljs ... {devtool:'source-map', } ... index.js 文件为了简便,我们只写一行代码,为了得出报错信息,我们故意拼错: hljs console.lg('hello source-map !')// log 写成 lg 下面我们试一试常见的几个配置: 5.1 source-map source-map ...
defExpCalcBot(string):try: math_fun_list = ['acos','asin','atan','cos','e','log','log1https://www.python51.com/jc/11303.html','pi','pow','sin','sqrt','tan'] math_fun_dict = dict([(k, globals().get(k))forkinmath_fun_list])# 形成可以访问的函数字典print('Your answe...
Cloud Studio代码运行 // reminder: 'use strict' is enabled in runnable examples by defaulteval("let x = 5; function f() {}");alert(typeofx);// undefined (no such variable)// function f is also not visible 如果不使用strict, eval就没有自己的词法环境,所以我们会在外面看到x和f。 使用ev...
Kit allows for fast prototyping and for evaluating the radar chips’s RF parameters. Potential Applications Drones Traffic monitoring Security Applications 60 GHz radar sensor for in-cabin monitoring system Domestic robots Mobile devices and smartphones ...
17 console.log(t.b); 从5到17行分别会输出什么呢?在这里简单解析一下: code1是一个字符串加数字的表达式字符串,所以第5行原样输出为"a"+2,第6行经eval运算后输出a2。 code2是一个json对象(关于json定义参考:深入浅出JSON),所以第8行输出Object { a=2},如果用alert(code2)会弹出[object Object]。第...
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NRF_LOG_FLUSH(); nrf_delay_ms(500); } } 6.1.4 SPI-driven OLED In the SPI-driven OLED demo, it mainly explains the precautions for SPI-driven OLED, and explains the implementation of its underlying driver. Precautions: 1. In the process of NRF52840 using SPI to drive OLED, when initi...
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This search retrieves all of the events where the sourcetype is any Apache web access log and counts the number of events where thestatusfield value is404. The results are placed into a field calledstatus_count. sourcetype=access_* | stats count(eval(status=404)) AS status_count ...