Created
March 12, 2012 16:03
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JS: Good Javascript prototypes to have!
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| // ++ Array Remove - By John Resig (MIT Licensed) | |
| //---------------------------------------------- | |
| Array.prototype.remove = function(from, to) { | |
| var rest = this.slice((to || from) + 1 || this.length); | |
| this.length = from < 0 ? this.length + from : from; | |
| return this.push.apply(this, rest); | |
| }; | |
| // ++ Trim spaces | |
| //---------------------------------------------- | |
| String.prototype.trim = String.prototype.trim || function() { | |
| return this.replace(/^\s+|\s+$/,""); | |
| } | |
| // ++ Remove last full stop prototype | |
| //---------------------------------------------- | |
| String.prototype.trimFullStops = function() { | |
| return this.replace(/^\.+|\.+$/,""); | |
| }; | |
| // ++ New line remove prototype | |
| //---------------------------------------------- | |
| String.prototype.replaceNewLine = function() { | |
| return this.replace(/(\r\n|\r|\n)/g, "<br />"); | |
| } | |
| // ++ Replace breaks remove prototype | |
| //---------------------------------------------- | |
| String.prototype.replaceBreaks = function() { | |
| return this.replace(/<br \/>|<br\/>/g, "\n"); | |
| } | |
| // ++ String Trim to length or first Stop(.) | |
| //---------------------------------------------- | |
| String.prototype.short = function(nLen) { | |
| var nFSPos=this.indexOf('.'); | |
| return (this.length>nLen)?((nFSPos>-1)&&(nFSPos<nLen+1)&&(nFSPos>3))?this.split('.')[0].trim()+'…':this.substring(0,nLen).trim()+'…':this; | |
| }; | |
| // ++ Encode for URL transport | |
| //---------------------------------------------- | |
| String.prototype.encode = function() { | |
| return (this.length>0)?encodeURIComponent(this):this; | |
| }; | |
| // ++ Replace JS quotes | |
| //---------------------------------------------- | |
| String.prototype.replaceQuotes = function() { | |
| return this.replace(/"/g,"\\\""); | |
| } | |
| // ++ HTML remove tags prototype | |
| //---------------------------------------------- | |
| String.prototype.stripTags = function() { | |
| return this.replace(/<\S[^>]*>/g, ""); | |
| } | |
| // ++ Fix Numeric | |
| //---------------------------------------------- | |
| String.prototype.tidyNumeric = function() { | |
| return Math.abs(this.replace(/[^0-9.]/ig,'').trimFullStops()); | |
| }; | |
| // ++ Tidy Decimal | |
| //---------------------------------------------- | |
| Number.prototype.tidyDecimal = function(n) { | |
| return Math.abs(this.toFixed(n)); | |
| } | |
| // ++ Convert to EM (base size 12px) | |
| //---------------------------------------------- | |
| Number.prototype.toEm = function() { | |
| return (this/12).tidyDecimal(3); | |
| } | |
| // ++ Right and Left cut | |
| //---------------------------------------------- | |
| String.prototype.left = function(n) { | |
| return this.substr(0,n); | |
| }; | |
| String.prototype.right = function(n) { | |
| return this.substr((this.length-n),this.length); | |
| }; | |
| // ++ Convert date object into friendly string | |
| //---------------------------------------------- | |
| Date.prototype.toClean=function(){ | |
| if(this!==null){ | |
| var vDay = ((this.getDate())<10)?'0'+(this.getDate()):(this.getDate()), | |
| oMonths = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'], | |
| vMonth = oMonths[this.getMonth()], | |
| vYear = this.getFullYear().toString().right(2); | |
| return vDay+' '+vMonth+' \''+vYear; | |
| } else { | |
| return '[Invalid Date]'; | |
| } | |
| } | |
| // ++ Convert date object into SQL supported | |
| //---------------------------------------------- | |
| Date.prototype.toSQL=function(){ | |
| var vDay = ((this.getDate())<10)?'0'+(this.getDate()):(this.getDate()), | |
| nMonth = (this.getMonth()+1), | |
| vMonth = (nMonth<10)?'0'+nMonth:nMonth, | |
| vYear = this.getFullYear().toString(), | |
| vHours = ((this.getHours())<10)?'0'+(this.getHours()):(this.getHours()), | |
| vMinutes = ((this.getMinutes())<10)?'0'+(this.getMinutes()):(this.getMinutes()), | |
| vSeconds = ((this.getSeconds())<10)?'0'+(this.getSeconds()):(this.getSeconds()); | |
| return vDay+'/'+vMonth+'/'+vYear+' '+vHours+':'+vMinutes+':'+vSeconds; | |
| } | |
| // ++ Remove all punctuation | |
| //---------------------------------------------- | |
| String.prototype.clearPunc=function(){ | |
| return this.replace(/[\.,-\/#!$%\^&\*;:{}=\-_`~()]/g,"").replace(/\s{2,}/g," "); | |
| } | |
| // ++ Highlight words by passed in value | |
| //---------------------------------------------- | |
| String.prototype.highlight=function(vWords){ | |
| var oWords = vWords.clearPunc().stripTags().split(' '),vNewPhrase=this; | |
| oWords.each(function(o){ | |
| vNewPhrase=vNewPhrase.replace(new RegExp("("+o+")","ig"),'<span class="highlight">$1</span>'); | |
| }); | |
| return vNewPhrase; | |
| } |
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