Javascript _ javascript tips

This article mainly introduces how to change the display area size of content by dragging between left and right in JavaScript. It involves the skill of JavaScript responding to mouse events in real time to dynamically change the attribute of page elements. It has some reference value, for more information about how to change the area size of the content displayed by dragging between the left and right of JavaScript, see the example in this article. Share it with you for your reference. The details are as follows:

Here we will show the effect of the area to be dragged between the left and right sides. The red bars to the left will change the width of the area to be displayed. The right side will be displayed when you drag to the left, and the left side will be displayed when you drag to the right, like the QQ chat window, you can drag the size up or down to meet user requirements. This Code is fully implemented in combination with JavaScript and CSS code, and the compatibility of running in mainstream browsers is also good. We recommend you to drag the JavaScript code that changes the size left and right.

The running effect is as follows:

The Online Demo address is as follows:

Http://demo.jb51.net/js/2015/js-drug-cha-area-show-demo/

The Code is as follows:

 Left/right drag content display areaScript function $ (id) {return document. getElementById (id)} window. onload = function () {var oBox = $ ("box"), oTop = $ ("top"), oBottom = $ ("bottom "), oLine = $ ("line"); oLine. onmousedown = function (e) {var disX = (e | event ). clientX; oLine. left = oLine. offsetLeft; document. onmousemove = function (e) {var iT = oLine. left + (e | event ). clientX-disX); var e = e | returns invalid event,tarnameb+e.tar get | e. srcElement; var maxT = oBox. clientWight-oLine. offsetWidth; oLine. style. margin = 0; iT <0 & (iT = 0); iT> maxT & (iT = maxT); oLine. style. left = oTop. style. width = iT + "px"; oBottom. style. width = oBox. clientWidth-iT + "px"; $ ("msg "). innerText = 'top. width: '+ oLine. style. width + '--- bottom. width: '+ oBottom. style. width + '--- oLine. offsetLeft: '+ oLine. offsetLeft + '--- disX:' + disX + '--- tarnameb:' + tarnameb. tagName; return false}; document. onmouseup = function () {document. onmousemove = null; document. onmouseup = null; oLine. releaseCapture & oLine. releaseCapture ()}; oLine. setCapture & oLine. setCapture (); return false };}; script
 
  
Drag the red bar left and right to change the display area width.
 
 
 
 
 
 
  
  
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I hope this article will help you design JavaScript programs.