https://hugo.curtiscode.dev/tags/function/Recent content in function on Curtis TimsonHugo -- gohugo.ioen-GBWed, 05 Oct 2016 00:00:00 +0000https://hugo.curtiscode.dev/post/js/default-parameters-es6/Wed, 05 Oct 2016 00:00:00 +0000https://hugo.curtiscode.dev/post/js/default-parameters-es6/With ES5 if you wish to set default parameters on a javascript function you would be required to check the value and supply a default if one hadn’t been set. var myFunction = function(arg1, arg2){ arg1 = arg1 || 25; arg2 = arg2 || true; //do something } Even this has problems as passing in 0 for arg1 or false for arg2 would both evaluate as “falsey” and therefore set the default values.https://hugo.curtiscode.dev/post/js/round-to-the-nearest-decimal/Fri, 10 Oct 2014 00:00:00 +0000https://hugo.curtiscode.dev/post/js/round-to-the-nearest-decimal/If we need round to the nearest whole number, we can use the Math.round() function to return this: Math.round(1.34234); //returns 1 However what if we need to round to a decimal place? For example 0.5. The following function can be used to do just that, and the logic itself can be adapted to be used for other languages too (C#, SQL etc). function roundToMultiple(value, multiple){ var t = (1/multiple); return (Math.https://hugo.curtiscode.dev/post/js/check-javascript-function-exists-before-calling-it/Fri, 23 Nov 2012 00:00:00 +0000https://hugo.curtiscode.dev/post/js/check-javascript-function-exists-before-calling-it/On large applications, there may be some instances where you need to make a call to a function which belongs in a different javascript file. There might also be a case where this javascript file isn’t always included on every page, and should only be called if it is included. If we are to call this function, and it hasn’t been included, a javascript error will be returned. Therefore we need to first check that the functions exists in the current context.