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HTML form: select onselect Fires when a user selects some text in a text field, including input and textarea Yes No change onchange Fires when a control loses the input focus and its value has been modified since gaining focus Yes No submit onsubmit Fires when a form is submitted Yes Yes reset onreset Fires when a form is reset Yes No focus onfocus
console. log (a || b); // if a is true, return a, otherwise return b console. log (a && b); // if a is false, return a, otherwise return b Programmers who are more familiar with the behavior in C might find this feature surprising, but it allows for a more concise expression of patterns like null coalescing :
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Jasmine is an open-source testing framework for JavaScript. [4] It aims to run on any JavaScript-enabled platform, to not intrude on the application nor the IDE, and to have easy-to-read syntax. It is heavily influenced by other unit testing frameworks, such as ScrewUnit, JSSpec, JSpec, and RSpec. [5]
The other form, called downlevel revealed, is not formatted as a comment yet is called a conditional comment none-the-less. It is formatted like: <![if expression]> ... <![endif]> The code between the if and endif markup can be any HTML content that is included if the condition evaluates true or excluded otherwise.
In Unix-like operating systems, true and false are commands whose only function is to always return with a predetermined exit status.Programmers and scripts often use the exit status of a command to assess success (exit status zero) or failure (non-zero) of the command.
The value range form is as follows: for i from f by b to t while w do # loop body od; All parts except do and od are optional. The for I part, if present, must come first. The remaining parts (from f, by b, to t, while w) can appear in any order. Iterating over a container is done using this form of loop: for e in c while w do # loop body od;
This code can allow the attacker to impersonate another user. However, this same software bug can be accidentally triggered by an unassuming user, which will cause the website to display bad HTML code. HTML and script injection are popular subjects, commonly termed "cross-site scripting" or "XSS". XSS refers to an injection flaw whereby user ...