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[JavaScript] JavaScript 15... In statement

Source: Internet
Author: User
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For... in declaration is used to traverse the attributes of an array or object (loop operation on attributes of an array or object ).

Instance
For... in statement
How to Use the for... in Declaration to traverse the elements in the array.
JavaScript For... in Declaration

For... in declarations are used to perform cyclic operations on the attributes of arrays or objects.

In the for... in LoopCodeEach execution will perform an operation on the elements or attributes of the array.

Syntax: 
For(VariableInObject) {execute code here}

"Variable" is used to specify a variable. The specified variable can be an array element or an object attribute.

Instance:

Use for... in to traverse the array cyclically.

<HTML> <body> <SCRIPT type = "text/JavaScript"> var xvar mycars = new array () mycars [0] = "Saab" mycars [1] = "Volvo" mycars [2] = "BMW"For (X in mycars) {document. Write (mycars [x] + "<br/> ")}</SCRIPT> </body>

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Related Keywords:
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