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function filterArray (arr1, arr2) { let arr = [] arr1.forEach((item, index) => { arr2.forEach((item2,index) => { i...

Look, the array in showmethod is already 1 and 2. Shouldn't the edit page be selected at this time...

You can get to know rem. The width and height will be calculated automatically according to the font size of the body...

Don't forget to add display: flex to the parent element;...

You need to add the download attribute: <a download="file.txt" href="path/to/your.file">download&l...

After listening to so many questions, I feel that what they need is not to learn the code, but the demo of the actual pr...

Variable promotion, the latter is put on the top...

After looking at the regular matching order of locatio, I guess it is because there is a location matching the PHP suffi...