for - loops through a block of code a number of times for/in - loops through the properties of an object for/of - loops through the values of an iterable object while - loops through a block of code while a specified condition is true do/while - also loops through a block of code...
To loop through an array in javascript, you can use for loop which the syntax is almost the same as in other languages such as java, c++, php, etc. There is also the forEach function that comes with array objects. The regular for loop is friendly to prog
("Number of files found: " + FileCollection.Count + "<BR>"); // Traverse through the FileCollection using the FOR loop for(var objEnum = new Enumerator(FileCollection); !objEnum.atEnd(); objEnum.moveNext()) { strFileName = objEnum.item(); Response.Write(strFileName + "<BR>")...
Using the for Loop with Objects When usingfor...inloop to iterate an object in JavaScript, the iterated keys or properties — which, in the snippet above, are represented by thekeyvariable — are the object’s own properties. As objects might inherit items through the prototype chain, which...
Loop through a block of code, but skip the value of 3: lettext =""; for(leti =0; i <5; i++) { if(i ===3)continue; text += i +""; } Try it Yourself » lettext =""; leti =0; while(i <5) { i++; if(i
function(k){tasks.push(function(){console.log("i is "+k);});}(i);}for(varj=0;j<tasks....
unshift.apply(this._queue,arguments)}queue=newQueue()queue.add(1,2,3)queue.next()// <- 1Using.shift(or.pop)is an easy way to loop through asetofarray elements,whiledraining the arrayinthe process.list=[1,2,3,4,5,6,7,8,9,10]while(item=list.shift()){console.log(item)}list/...
Based on the above code, if there were 10 input elements, clickinganyof them would display “This is element #10”! This is because, by the timeonclickis invoked foranyof the elements, the aboveforloop will have completed and the value ofiwill already be 10 (forallof them). ...
// get list of databasesconstlistResult =awaitclient.db().admin().listDatabases();console.log("Databases:\n");// loop through databasesforawait(letdatabaseoflistResult.databases) {console.log(`\t${database.name}\n`);// get database clientconstdbClient = client.db(database.name);// ge...
Transversal and transformation of the native AST can be performed through TreeWalker and TreeTransformer respectively. ESTree / SpiderMonkey AST UglifyJS has its own abstract syntax tree format; for practical reasons we can't easily change to using the SpiderMonkey AST internally. However, UglifyJS no...