To my knowledge, there is currently no cross browser . So I put on my creative hat and wrote something for you.
function rhomboit(obj, offset) {
var invert = false;
if(offset < 0){
offset = Math.abs(offset);
invert = true;
}
var line_height = getLineHeight(obj);
var els = document.querySelectorAll('.rhombus_side');
for (var i = 0; i < els.length; i++) {
els[i].parentNode.removeChild(els[i]);
}
var new_height = heightWithOffset(obj, offset);
var total_lines;
var line_offset;
while (true) {
total_lines = Math.ceil(new_height / line_height);
line_offset = offset / (total_lines);
var next_height = heightWithOffset(obj, offset + line_offset);
if (next_height === new_height) break;
new_height = next_height;
}
for (var i = 0; i < total_lines; i++) {
var left_offset = line_offset * (i + 1);
var right_offset = offset - left_offset + line_offset;
if(invert){
var hold = left_offset;
left_offset = right_offset;
right_offset = hold;
}
var div = document.createElement('div');
div.className = 'rhombus_side';
div.style.width = left_offset + 'px';
div.style.height = line_height + 'px';
div.style.float = 'left';
div.style.clear = 'left';
obj.insertBefore(div, obj.firstChild);
div = document.createElement('div');
div.className = 'rhombus_side';
div.style.width = right_offset + 'px';
div.style.height = line_height + 'px';
div.style.float = 'right';
div.style.clear = 'right';
obj.insertBefore(div, obj.firstChild);
}
}
function heightWithOffset(obj, offset) {
var old_padding_left = obj.style.paddingLeft;
obj.style.paddingLeft = (offset + 1) + 'px';
var new_height = obj.clientHeight;
obj.style.paddingLeft = old_padding_left;
return new_height;
}
function getLineHeight(element) {
var temp = document.createElement(element.nodeName);
temp.setAttribute("style", "border:0;margin:0px;padding:0px;font-family:" + element.style.fontFamily + ";font-size:" + element.style.fontSize);
temp.innerHTML = "test";
temp = element.parentNode.appendChild(temp);
var ret = temp.clientHeight;
temp.parentNode.removeChild(temp);
return ret;
}
var last_offset = 150;
function toggleRhombus(){
last_offset *= -1;
rhomboit(document.getElementById('rhombus'), last_offset);
setTimeout(function(){toggleRhombus()},5000);
}
toggleRhombus();
<div id='rhombus' style='border:1px solid black;text-align:justify'>This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text This is text</div>
Run codeHide resultFiddle: http://jsfiddle.net/trex005/benjkr05/
- I cannot say that it is incredibly effective, but it does its job.
- The offset must be specified in px.
- , .
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