31 Console Log Array Javascript

Written By Anonymous Friday, April 4, 2014 Add Comment Edit

25/10/2020 · 1. console.log() This method is mainly used to print the value passed to it to the console. Any type can be used inside the log(), be it a string, array, object, boolean etc. Example console.log('JavaScript'); console.log(7); console.log(true); console.log(null); console.log(undefined); console.log([1, 2, 3]); console.log({a: 1, b: 2, c: 3}); 23/7/2018 · The console.log() is a function in JavaScript which is used to print any kind of variables defined before in it or to just print any message that needs to be displayed to the user. Syntax: console.log(A); Parameters: It accepts a parameter which can be an array, an object or any message. Return value: It returns the value of the parameter given.

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let arr = ['this is the first element', 'this is the second element', 'this is the last element'] console. log (arr [0]) // logs 'this is the first element' console. log (arr [1]) // logs 'this is the second element' console. log (arr [arr. length -1]) // logs 'this is the last element'

Console log array javascript. 16/10/2017 · Print Array variables in console.log() var players = ['Jim', 'Shawna', 'Andrew', 'Lora', 'Aimee', 'Nick']; console.log(players[0,5]); I thought this would print 1)Jim 2)Nick 9/9/2020 · let x = 1 console.log("x:", x) But what if we have multiple values that we want to log? let x = 1 let y = 2 let z = 3. Instead of typing console.log() three times we can include them all. And we can add a string before each of them if we wanted, too. let x = 1 let y = 2 let z = 3 console.log("x:", x, "y:", y, "z:", z) But that's too much work. Definition and Usage. The console.log () method writes a message to the console. The console is useful for testing purposes. Tip: When testing this method, be sure to have the console view visible (press F12 to view the console).

You can use javascript's console.table. This will display your array in table form, making it much more readable and easy to analyse It is quite a little known feature, however useful when you have a multi-dimentional array. So, change your code to console.table(items); It should give you something like this: An array is capable of storing any types of elements: // mix of values let arr = [ 'Javascript', { sitename: 'W3Docs' }, true, function () { console .log ( 'welcome' ); }]; // get the object at index 1 and then show its name console .log (arr [ 1 ].sitename); // W3Docs // get the function at index 3 and run it arr [ 3 ] (); // welcome. Arrays ...

Javascript Log To Console Console Log Vs Frameworks