// 判断目录是否存在的函数functioncheckDirectoryExists(dirPath){// 使用 fs.existsSync 检查目录if(fs.existsSync(dirPath)){console.log(`目录 "${dirPath}" 存在.`);returntrue;// 目录存在,返回 true}else{console.log(`目录 "${dirPath}" 不存在.`);returnfalse;// 目录不存在,返回 false}} 1. ...
JavaScript checks if the objects have a reference to the same location in memory. The two objects that we are comparing don't have that: the object we passed as a parameter refers to a different location in memory than the object we used in order to check equality. This is why both {...
The path segment for the current directory (./) is required in order to create the correct static asset path to the JS file. The {PACKAGE ID} placeholder is the library's package ID. The package ID defaults to the project's assembly name if <PackageId> isn't specified in the project...
I simply wonder if it is possible to check if "~/Folder1/Picture1.bmp" exists on the server without the ActiveX component ? Sunday, March 28, 2010 12:38 PM I know I can use C# to check it but I need to write all of this in JavaScript to be able "catch" some imageFiles that ...
if ({CONDITION}) import("/additionalModule.js"); In the preceding example, the {CONDITION} placeholder represents a conditional check to determine if the module should be loaded. For browser compatibility, see Can I use: JavaScript modules: dynamic import.Avoid...
Read or Check ifcookiesExist Using JavaScript Thedocument.cookieattribute returns a string containing a semicolon and a space-separated list of allcookies. This string does not contain any cookie properties such as expiration, path, domain, etc. ...
Retrieve the details of a specific file/directory at the supplied path. Relative paths should not be used. path: a file path A FileDetails object will be passed to the callback if the path exists, else the error callback will be fired. listDirContents listDirContents(path: string, success...
getADependency(name, _) and not exists (Require req | req.getTopLevel() = pkg.getAModule() | name = req.getImportedPath().getValue()) select deps, "Unused dependency '" + name + "'." React The semmle.javascript.frameworks.React library provides support for working with React code ...
constcache=newMap();functionresolve(file){constcached=cache.get(file);// A bit conservative: Check if the cached file still exists on disk to avoid// stale caches in watch mode where a file could be moved or be renamed.if(cached!==undefined&&isFile(file)){returncached;}// ...existin...
echo "${target_file} succesfully uploaded!"; } else { // No echo 'Your image was not uploaded.'; } // Delete any temp files if( file_exists( $temp_file ) ) unlink( $temp_file ); } else { // Invalid file echo 'Your image was not...