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20 lines
1.9 KiB
JavaScript
20 lines
1.9 KiB
JavaScript
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <jevin9@gmail.com> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Jevin O. Sewaruth
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* ----------------------------------------------------------------------------
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*
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* Autogrow Textarea Plugin Version v3.0
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* http://www.technoreply.com/autogrow-textarea-plugin-3-0
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*
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* THIS PLUGIN IS DELIVERD ON A PAY WHAT YOU WHANT BASIS. IF THE PLUGIN WAS USEFUL TO YOU, PLEASE CONSIDER BUYING THE PLUGIN HERE :
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* https://sites.fastspring.com/technoreply/instant/autogrowtextareaplugin
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*
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* Date: October 15, 2012
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*/
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jQuery.fn.autoGrow=function(){return this.each(function(){var createMirror=function(textarea){jQuery(textarea).after('<div class="autogrow-textarea-mirror"></div>');return jQuery(textarea).next(".autogrow-textarea-mirror")[0]};var sendContentToMirror=function(textarea){mirror.innerHTML=String(textarea.value).replace(/&/g,"&").replace(/"/g,""").replace(/'/g,"'").replace(/</g,"<").replace(/>/g,">").replace(/ /g," ").replace(/\n/g,"<br />")+".<br/>.";if(jQuery(textarea).height()!=jQuery(mirror).height())jQuery(textarea).height(jQuery(mirror).height())};
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var growTextarea=function(){sendContentToMirror(this)};var mirror=createMirror(this);mirror.style.display="none";mirror.style.wordWrap="break-word";mirror.style.padding=jQuery(this).css("padding");mirror.style.width=jQuery(this).css("width");mirror.style.fontFamily=jQuery(this).css("font-family");mirror.style.fontSize=jQuery(this).css("font-size");mirror.style.lineHeight=jQuery(this).css("line-height");this.style.overflow="hidden";this.style.minHeight=this.rows+"em";this.onkeyup=growTextarea;sendContentToMirror(this)})};
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