Forked from jkphl/Highlight non-matching anchor links (Bookmarklet)
Created
January 2, 2020 07:26
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Use this JavaScript bookmarklet to find invalid anchor references within your HTML documents. The script searches the current document for links referring to named anchors on the same page that don't really exist and highlights them with a red background.
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| javascript:(function(){for(var a=0,anchors=document.querySelectorAll("a[href^='#']"),al=anchors.length,anchor;al>a;++a)anchor=anchors[a].href.split("#").pop(),anchor.length&&!document.getElementById(anchor)&&(anchors[a].style.color="#fff",anchors[a].style.backgroundColor="#f00")})() |
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