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A snippet of JavaScript code with keywords highlighted in different colors. The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output.
Unobtrusive JavaScript is a general approach to the use of client-side JavaScript in web pages so that if JavaScript features are partially or fully absent in a user's web browser, then the user notices as little as possible any lack of the web page's JavaScript functionality. [1]
Immediately invoked function expressions may be written in a number of different ways. [3] A common convention is to enclose the function expression – and optionally its invocation operator – with the grouping operator, [4] in parentheses, to tell the parser explicitly to expect an expression.
Form, link and image elements could be referenced with a hierarchical name that began with the root document object. A hierarchical name could make use of either the names or the sequential index of the traversed elements. For example, a form input element could be accessed as either document.myForm.myInput or document.forms[0].elements[0].
U.S. passenger railroad Amtrak said on Tuesday ridership topped 2019 pre-COVID levels for the first time in 2024 and reached a record high even with less capacity. Amtrak reported an adjusted ...
Blue’s run didn’t come out of nowhere. Clemson struggled to contain the Texas run game all day as the Longhorns were committed to moving the ball on the ground.
The CEO said there was a downed power line at the site of the Hurst fire's ignition, though data show that abnormal electrical activity was spotted at 10:11 p.m. Jan. 7, a minute after the fire ...
For example, the sentence MOVE A B. and the sentence MOVE A TO B. perform exactly the same function, but the second makes the action to be performed clearer. Augmented assignment or compound assignment operators: For example, a += b is equivalent to a = a + b in C and similar languages, assuming a has no side effects such as if a is a regular ...