Swapping out existing HTML content with discovered content

My attempt to replace a specific content in the HTML body is illustrated in the code snippet below. 

var fontReplacer = $("body").html().replace(/\{fontsize:(.*?)\}(.*?(({fontsize\})|$)/g,'<span style="font-size:$1px">$2</span>');
  $("body").html(fontReplacer);

However, after running this code, other functions on the page are no longer working. Did I write the code correctly to replace content like 

{fontsize:12}12px text here{font}
with 12px text here (in 12px size)? Could someone please assist me in identifying where I made an error?

javascriptjqueryhtmlcssregex

Answer №1

Have you identified the specific element you are looking for in HTML? If so, which section of the code is it located in?

var sel = $('body').find('div'); //Specify the element you are searching for
var sel = $('body').find('span');

for(i = 0; i< sel.length; i++)
 $(sel).css('font-size','1px');

You can apply similar operations for a span element as well.

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