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These are typically built into browsers, in their DevTools window. Debuggers allow you to step debug (go through your JavaScript code line-by-line, hover over variables to see their values, etc.) Firefox - use Tools → JavaScript Console showing all JavaScript and CSS errors. Chrome and Edge - use Tools → Developer Tools.
<textarea rows="8">...</textarea> A multiple-line text area, the size of which is specified by cols (where a column is a one-character width of text) and rows HTML attributes . The content of this element is restricted to plain text, which appears in the text area as default text when the page is loaded.
HTML defines several data types for element content, such as script data and stylesheet data, and a plethora of types for attribute values, including IDs, names, URIs, numbers, units of length, languages, media descriptors, colors, character encodings, dates and times, and so on. All of these data types are specializations of character data.
The character length limit is dependent on maximum buffer length set for a line, the default size of which is 1023 characters; this behaviour can be observed when moving the cursor to a text area line exceeding the limit, whereby Lynx will issue an alert: "Form field value exceeds buffer length! Trim the tail."
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 .
Users can use their text editor of choice to edit textarea fields (this feature needs to be enabled at compile time) Forces wrapping of very long lines in a textarea, which is a problem in editing some articles. Display options for non-ASCII characters affect editing. Most tables are rendered as simple text.
All material on Wikipedia is by default under the CC BY-SA license (and in most cases, also the GNU Free Documentation License (GFDL)). The CC BY-SA license is designed for artistic and literary works, but not for software.
Removing appropriate content, especially summary style, and/or reliably sourced and non-tangential information, from an article simply to reduce length without moving that content to an appropriate article either by merging or splitting, may require a consensus discussion on the talk page; see Wikipedia:Content removal § Reasons for acceptable ...