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Tip of the Day
Language: Web
Expertise: Intermediate
Apr 19, 2000



Application Security Testing: An Integral Part of DevOps

Using the JavaScript Keyword "This"

JavaScript provides a special keyword, "this", which is a reference to the object that contains a JavaScript statement or function call. For example, if we have a text box object, we can pass a reference for that object to a function with the statement:
<INPUT text="type" onChange ="doSomethingTo(this)">
The doSomethingTo function could then accept the text box reference into a parameter, as in:
function doSomethingTo(myfield) {
. .
Now doSomethingTo can refer to the text box within the function using myfield; as in the statement myfield.focus, for instance.
Manoj K.
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