sourceIndex property
Syntax:
You can find the related objects in the Supported by objects section below.
This property is read-only.
Possible values:
Zero-based Integer that represents the position of the current object.
Default: this property has no default value.
Example HTML code 1:
This example illustrates the use of the sourceIndex property:
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<head> <script type="text/javascript"> function GetElementByIndex (index) { if (index === undefined) { alert ("Your browser does not support this example!"); return; } alert ("The position of the element: " + index); var elem = document.all[index]; alert ("The tag name of the element: " + elem.tagName); } </script> </head> <body> <button onclick="GetElementByIndex (this.sourceIndex)">Get this button by index!</button> </body> |
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Supported by objects:
CommentNode
HTML elements:
a, abbr, acronym, address, applet, area, b, base, basefont, bdo, bgsound, big, blink, blockquote, body, br, button, caption, center, cite, code, col, colgroup, comment, dd, del, dfn, dir, div, dl, dt, em, embed, fieldset, font, form, frame, frameset, h1, h2, h3, h4, h5, h6, head, hr, html, i, iframe, img, input:button, input:checkbox, input:file, input:hidden, input:image, input:password, input:radio, input:range, input:reset, input:submit, input:text, ins, isindex, kbd, keygen, label, legend, li, link, listing, map, marquee, menu, meta, nobr, noframes, noscript, object, ol, optgroup, option, p, param, plaintext, pre, q, rt, ruby, s, samp, script, select, small, span, strike, strong, style, sub, sup, table, tbody, td, textarea, tfoot, th, thead, title, tr, tt, u, ul, var, wbr, xml, xmp
Related pages:
External links:
User Contributed Comments
Dynamic elements have an initial sourceIndex value of -1, until appended to the DOM. Removed elements have a sourceIndex of 0.
This is a good way to check if an element is in memory or available on the page.