計(jì)算字符長(zhǎng)度的js函數(shù)

去字符中前后的空格的js函數(shù)

圖片自適應(yīng)大小函數(shù)代碼

function checkTagIsHave(s,t){
    var re=new RegExp("<\\/?"+t+"(?:(?:\\s|\\/)(?:\\n|.)*?)?>","ig");
    var r=re.test(s);
    re=null;
    return r;
}

function imgUploadFit(){
    var u = document.getElementsByName("imgUploadName");
    if(0==u.length) return;
    for(var i=0;i<u.length;i++){
        //imgAutoFit(u[i],560,560);
        imgAutoFit(u[i],320,320);
        u[i].onclick = function(){window.open(this.src);}
        u[i].style.cursor = "pointer";
        u[i].title = "點(diǎn)擊看原圖";
    }
}

function inputContent(theQ,oldContent,re,p){
    var o,oA=["msgframeamend","pingJiaFrame","touSuFrame"];
    for(o in oA){
        if($(oA[o])){
            theQ.editIframe(oA[o]);
            if("msgframeamend"==oA[o]) setTimeout(function(){$(oA[o]).contentWindow.document.body.innerHTML = oldContent.replace(re,"")+p[1];},100);
            return;
        }
    }
}

function checkCommon(n,v,t){
    var s = t?"補(bǔ)充提問":"回復(fù)內(nèi)容";
    var o=document.getElementById(n).contentWindow;
    if("msgframereply" == n){
        if(v == ""){
            alert("請(qǐng)?zhí)顚?+s+" !");
            o.focus();
            return false;
        }
    }
    if(""==v.replace(/<\/*?(?:img|p|pre|br)(?:(?:\s|\/)(?:\n|.)*?)?>|\s|&nbsp;/ig,"")&&checkTagIsHave(v,"img")){
        alert("針對(duì)圖片，請(qǐng)附上一些說明性的文字！");
        o.focus();
        return false;
    }
    if(10000<LEN(v)){
        alert(s+"超過5000字?jǐn)?shù)限制 !");
        o.focus();
        return false;
    }
    return true;
}