JavaScript array traversal

Source: Internet
Author: User

JavaScript for ... In declaration

For ... The in declaration is used to iterate over the properties of an array or an object.

The code for the for ... in loop executes once for each time, and the elements of the array or the properties of the object are manipulated once.

Grammar:
forinObject) {    execute code here}

A variable is used to specify a variable, which can be an array element or a property of an object.

Instance:

Iterate through the array using the for ... in loop.

for (x in mycars){document.write(mycars[x] + "<br />")} </script></body>

JavaScript array traversal

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