32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
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// http://stackoverflow.com/questions/1403888/get-url-parameter-with-jquery
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function getURLParameter(name) {
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return decodeURI(
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(new RegExp('[&?]'+name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1]
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);
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}
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// returns true for all smartphones and tablets
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function isMobileDevice() {
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return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini|Windows Mobile/i.test(navigator.userAgent);
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}
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// returns true for smartphones (Android will be a bit dodgy (tablet or phone, all depends on pixels vs devicePixelRatio...)
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function isSmartphone() {
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var returnBool = false;
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if( /Android/i.test(navigator.userAgent) && window.devicePixelRatio > 1) {
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var w = $(window).width() / window.devicePixelRatio;
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console.log("Android device >> ratio'd width: " + w);
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if (w < 480) {
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returnBool = true;
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}
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} else {
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returnBool = /Android|webOS|iPhone|iPod|BlackBerry|IEMobile|Opera Mini|Windows Mobile/i.test(navigator.userAgent)
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}
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return returnBool;
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}
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function distance(x1, y1, x2, y2) {
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return Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
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} |