Consider: var object = { foo: {}, bar: {}, baz: {} } How would I do this: var first = object[0]; console.log(first); Obviously, that doesn’t work because the first index is named foo, not 0. console.log(object[‘foo’]); works, but I don’t know it’s named foo. It could be named anything. I just want the first. 14 … Read more
When I echo I get this, which runs when I enter it into the terminal curl -i \ -H “Accept: application/json” \ -H “Content-Type:application/json” \ -X POST –data ‘{“account”:{“email”:”[email protected]”,”screenName”:”akdgdtk”,”type”:”NIKE”,”passwordSettings”:{“password”:”Starwars1″,”passwordConfirm”:”Starwars1″}},”firstName”:”Test”,”lastName”:”User”,”middleName”:”ObiWan”,”locale”:”en_US”,”registrationSiteId”:”520″,”receiveEmail”:”false”,”dateOfBirth”:”1984-12-25″,”mobileNumber”:”9175555555″,”gender”:”male”,”fuelActivationDate”:”2010-10-22″,”postalCode”:”10022″,”country”:”US”,”city”:”Beverton”,”state”:”OR”,”bio”:”This is a test user”,”jpFirstNameKana”:”unsure”,”jpLastNameKana”:”ofthis”,”height”:”80″,”weight”:”175″,”distanceUnit”:”MILES”,”weightUnit”:”POUNDS”,”heightUnit”:”FT/INCHES”}’ https://xxx:[email protected]/xxxxx/xxxx/xxxx But when run in the bash script file, I get this error curl: (6) Could not resolve host: application; nodename nor … Read more
There are two different ways to create an empty object in JavaScript: var objectA = {} var objectB = new Object() Is there any difference in how the script engine handles them? Is there any reason to use one over the other? Similarly it is also possible to create an empty array using different syntax: … Read more
If there is a JavaScript object: var objects={…}; Suppose, it has more than 50 properties, without knowing the property names (that’s without knowing the ‘keys’) how to get each property value in a loop? 25 s 25 Depending on which browsers you have to support, this can be done in a number of ways. The … Read more
This question already has answers here: How to return the response from an asynchronous call (43 answers) Closed 7 years ago. This question is asked many times in SO. But still I can’t get stuff. I want to get some value from callback. Look at the script below for clarification. function foo(address){ // google map … Read more
I have an object in JavaScript: { abc: ‘…’, bca: ‘…’, zzz: ‘…’, xxx: ‘…’, ccc: ‘…’, // … } I want to use a for loop to get its properties. And I want to iterate it in parts (not all object properties at once). With a simple array I can do it with a … Read more
This figure again shows that every object has a prototype. Constructor function Foo also has its own __proto__ which is Function.prototype, and which in turn also references via its __proto__ property again to the Object.prototype. Thus, repeat, Foo.prototype is just an explicit property of Foo which refers to the prototype of b and c objects. … Read more
I have JavaScript object array with the following structure: objArray = [ { foo: 1, bar: 2}, { foo: 3, bar: 4}, { foo: 5, bar: 6} ]; I want to extract a field from each object, and get an array containing the values, for example field foo would give array [ 1, 3, 5 … Read more
How do I display the content of a JavaScript object in a string format like when we alert a variable? The same formatted way I want to display an object. 40 40
How do you check if a value is an object in JavaScript? 4 49
