(2 hour YouTube course): https://www.freecodecamp.org/news/practice-your-html-css-and-javascript-skills-in-spanish-by-building-3-projects/ Quote of the Week: "The amateur software engineer is always in search of magic – some sensational method or tool whose application promises to render ...
arr.filter(function(val){if(val){returnval;}}); 14.搜查销毁 函数仅有一个参数为整数数组,有个数不固定整数参数需使用隐藏参数访问。过滤数组参数中出现的整数参数相同的数值,返回过滤后的数组。 functiondestroyer(arr){ vararg=arguments; for(vari=1;i<arg.length;i++){ arr=arr.filter(function(value)...