Replace Only Once Body Text, With Some Html, By An Iframe May 09, 2024 Post a Comment What I need to do I display an iframe with javascript in the body of an HTML page. With something like that document.write('</iframe'>); In this iframe ther</div><h2 id="solution_1">Solution 1: </h2><div class="answer-desc"><p>With the help of <a rel="nofollow noreferrer noopener" href="https://stackoverflow.com/users/245428/xiaoyi">xiaoyi</a>, I've found some solutions :</p><ul><li>Stop the loop and replace only the first match</li><li>Globalize the functions to search/replace multiple keywords</li></ul><p>I think that it could be optimized, but for me it works like a charm, and I share it with you, if it can help anyone (don't forget to change the target of the document, here "parent") :</p><pre><code id="code_0" class="hljs language-javascript">(<span class="hljs-keyword">function</span>(<span class="hljs-params"></span>){ <span class="hljs-comment">// don't replace text within these tags</span><span class="hljs-keyword">var</span> skipTags = { <span class="hljs-string">'a'</span>: <span class="hljs-number">1</span>, <span class="hljs-string">'style'</span>: <span class="hljs-number">1</span>, <span class="hljs-string">'script'</span>: <span class="hljs-number">1</span>, <span class="hljs-string">'iframe'</span>: <span class="hljs-number">1</span>, <span class="hljs-string">'meta'</span>:<span class="hljs-number">1</span>, <span class="hljs-string">'title'</span>:<span class="hljs-number">1</span>, <span class="hljs-string">'img'</span>:<span class="hljs-number">1</span>, <span class="hljs-string">'h'</span>:<span class="hljs-number">1</span> }; <span class="hljs-comment">// find text nodes to apply replFn to</span><span class="hljs-keyword">function</span><span class="hljs-title function_">findKW</span>(<span class="hljs-params"> el, term, replFn </span>) { <span class="hljs-keyword">var</span> child, tag,found=<span class="hljs-literal">false</span>; <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>;i<=el.<span class="hljs-property">childNodes</span>.<span class="hljs-property">length</span> - <span class="hljs-number">1</span> && !found; i++) { child = el.<span class="hljs-property">childNodes</span>[i]; <span class="hljs-keyword">if</span> (child.<span class="hljs-property">nodeType</span> == <span class="hljs-number">1</span>) { <span class="hljs-comment">// ELEMENT_NODE</span> tag = child.<span class="hljs-property">nodeName</span>.<span class="hljs-title function_">toLowerCase</span>(); <span class="hljs-keyword">if</span> (!(tag <span class="hljs-keyword">in</span> skipTags)) { <span class="hljs-title function_">findKW</span>(child, term, replFn); } } <span class="hljs-keyword">else</span><span class="hljs-keyword">if</span> (child.<span class="hljs-property">nodeType</span> == <span class="hljs-number">3</span>) { <span class="hljs-comment">// TEXT_NODE</span> found=<span class="hljs-title function_">replaceKW</span>(child, term, replFn); <span class="hljs-comment">// if found=true, we stop the loop</span> } } }; <span class="hljs-comment">// replace terms in text according to replFn</span><span class="hljs-keyword">function</span><span class="hljs-title function_">replaceKW</span>(<span class="hljs-params"> text, term, replFn</span>) { <span class="hljs-keyword">var</span> match, matches = [],found=<span class="hljs-literal">false</span>; <span class="hljs-keyword">while</span> (match = term.<span class="hljs-title function_">exec</span>(text.<span class="hljs-property">data</span>)) { matches.<span class="hljs-title function_">push</span>(match); } <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>;i<=matches.<span class="hljs-property">length</span> - <span class="hljs-number">1</span> && !found; i++) { match = matches[i]; <span class="hljs-comment">// cut out the text node to replace</span> text.<span class="hljs-title function_">splitText</span>(match.<span class="hljs-property">index</span>); text.<span class="hljs-property">nextSibling</span>.<span class="hljs-title function_">splitText</span>(match[<span class="hljs-number">1</span>].<span class="hljs-property">length</span>); text.<span class="hljs-property">parentNode</span>.<span class="hljs-title function_">replaceChild</span>(<span class="hljs-title function_">replFn</span>(match[<span class="hljs-number">1</span>]), text.<span class="hljs-property">nextSibling</span>); <span class="hljs-keyword">if</span>(matches[i])found=<span class="hljs-literal">true</span>;<span class="hljs-comment">// To stop the loop </span> } <span class="hljs-keyword">return</span> found; }; <span class="hljs-comment">// First search/replace</span><span class="hljs-keyword">var</span> replTerm = <span class="hljs-string">'keyword'</span>; <span class="hljs-title function_">findKW</span>( parent.<span class="hljs-property">document</span>.<span class="hljs-property">body</span>, <span class="hljs-keyword">new</span><span class="hljs-title class_">RegExp</span>(<span class="hljs-string">'\\b('</span> + replTerm + <span class="hljs-string">')\\b'</span>, <span class="hljs-string">'gi'</span>), <span class="hljs-keyword">function</span> (<span class="hljs-params">match</span>) { <span class="hljs-keyword">var</span> link = parent.<span class="hljs-property">document</span>.<span class="hljs-title function_">createElement</span>(<span class="hljs-string">'a'</span>); link.<span class="hljs-property">href</span> = <span class="hljs-string">'http://www.okisurf.com/#q='</span> + replTerm; link.<span class="hljs-property">target</span> = <span class="hljs-string">'_blank'</span>; link.<span class="hljs-property">innerHTML</span> = match; <span class="hljs-keyword">return</span> link; } ); <span class="hljs-comment">// A second search/replace</span><span class="hljs-keyword">var</span> replTerm = <span class="hljs-string">'word'</span>; <span class="hljs-title function_">findKW</span>( parent.<span class="hljs-property">document</span>.<span class="hljs-property">body</span>, <span class="hljs-keyword">new</span><span class="hljs-title class_">RegExp</span>(<span class="hljs-string">'\\b('</span> + replTerm + <span class="hljs-string">')\\b'</span>, <span class="hljs-string">'gi'</span>), <span class="hljs-keyword">function</span> (<span class="hljs-params">match</span>) { <span class="hljs-keyword">var</span> link = parent.<span class="hljs-property">document</span>.<span class="hljs-title function_">createElement</span>(<span class="hljs-string">'a'</span>); link.<span class="hljs-property">href</span> = <span class="hljs-string">'http://www.okisurf.com/#q='</span> + replTerm; link.<span class="hljs-property">target</span> = <span class="hljs-string">'_blank'</span>; link.<span class="hljs-property">innerHTML</span> = match; <span class="hljs-keyword">return</span> link; } ); <span class="hljs-comment">// Other search/replace</span><span class="hljs-comment">// ...</span> }()); </code><button class="copy-btn btn btn-secondary btn-sm" onclick="copyCode(this,'code_0')">Copy</button></pre><p>I've also discovered that the second solution doesn't works with Internet Explorer witch doesn't accept the <code>createTreeWalker()</code> DOM function</p><a name='more'></a></div> </div> <div id='baca-juga'></div> <script> //<![CDATA[ var bacaJugaJudul=[],bacaJugaNum=0,bacaJugaUrl=[];function bacaJuga(a){for(var u=0;u<a.feed.entry.length;u++){var e=a.feed.entry[u];bacaJugaJudul[bacaJugaNum]=e.title.$t;for(var l=0;l<e.link.length;l++)if("alternate"==e.link[l].rel){bacaJugaUrl[bacaJugaNum]=e.link[l].href,bacaJugaNum++;break}}}function showBacaJuga(a){function u(a,u){u.parentNode.insertBefore(a,u.nextSibling)}var e=document.querySelector("#baca-juga"),l=document.createElement("div"),t=document.querySelector(".post-body-artikel").querySelectorAll("div > br, span > br, div > p, span > p"),r=Math.ceil(.5*t.length),n=document.getElementById("related"),c=(l.setAttribute("class","baca-juga-wrap"),{bacaJuga:!0,jumlahBacaJuga:3,judulBacaJuga:"Baca Juga"});optionLinkMagz(c);if(!0===c.bacaJuga&&void 0!==t[r]){u(e,null!==n?n:t[r]);for(var g=0;g<bacaJugaUrl.length;g++)bacaJugaUrl[g]==a&&(bacaJugaUrl.splice(g,1),bacaJugaJudul.splice(g,1));var J=Math.floor((bacaJugaJudul.length-1)*Math.random()),g=0;if(0<bacaJugaJudul.length&&0<c.jumlahBacaJuga){e.appendChild(l);n=e;null!=(n=n.previousElementSibling)&&"BR"===n.tagName&&(n.style.display="none");for(var i="<strong>"+c.judulBacaJuga+"</strong><ul>";g<bacaJugaJudul.length&&g<c.jumlahBacaJuga;g++)i+='<li><a href="'+bacaJugaUrl[J]+'">'+bacaJugaJudul[J]+"</a></li>",J<bacaJugaJudul.length-1?J++:J=0;l.innerHTML=i+="</ul>"}}} //]]> </script> <script src='/feeds/posts/summary/-/Html?alt=json-in-script&callback=bacaJuga&max-results=5'></script> <script src='/feeds/posts/summary/-/Iframe?alt=json-in-script&callback=bacaJuga&max-results=5'></script> <script src='/feeds/posts/summary/-/Javascript?alt=json-in-script&callback=bacaJuga&max-results=5'></script> <script src='/feeds/posts/summary/-/Replace?alt=json-in-script&callback=bacaJuga&max-results=5'></script> <script> showBacaJuga("https://savedgdiapers.blogspot.com/2024/05/replace-only-once-body-text-with-some.html"); 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